Why Some Relationships Don’t Last ★ When “I’d Be Happy If They Did” Turns Into “Of Course They Should”

Relationships that do not last may have one thing in common.

At some point, we may begin to see another person’s acts of care not as “something that makes me happy when they do it,” but as “something they are simply supposed to do for me.”

If your romantic relationships or other close relationships tend to end sooner than you expect, it may be worth asking whether this shift has happened somewhere inside you.

They made time for you.
They adjusted their schedule for you.
They took care of something troublesome for you.
They spent money on you.
They chose to prioritize you in a particular situation.

When someone we care about does these things for us, it feels good.

But somewhere along the way,

“I’m happy they did that”

can turn into

“Of course they’ll do that for me,” a slightly self-centered expectation.

What has changed is the standard inside us by which we interpret their behavior.

How “I Want Them To” Becomes “Of Course They Should”

We want to be cared about.

When we care deeply about someone, we want that even more.

“I want them to think about me.”
“I want them to care about me.”
“If possible, I want them to prioritize me.”

These desires begin inside us.

As a relationship deepens, we may start to expect:

“This person will probably care about me.”

That expectation can grow stronger:

“I’m sure they’ll do this for me.”

And eventually:

“If I really matter to them, of course they should.”

The progression looks something like this:

I want them to do it
↓
They probably will
↓
I’m sure they will
↓
Of course they should

The starting point is our own desire.

We want something. We begin to expect it. Then, inside our own mind, we turn that expectation into something that feels obvious.

Eventually, we begin judging the other person’s behavior according to a standard that we ourselves created.

Basic Conditions and Extra Acts of Care Are Different

There are things we can reasonably expect from a relationship from the beginning.

Keeping promises.
Treating each other with respect.
Caring about each other’s safety.
Not consistently placing the burden on one person.

These are basic conditions for maintaining a relationship.

On top of them may come voluntary acts of care:

Changing plans for us.
Prioritizing us.
Spending extra time or money on us.
Taking on something inconvenient for us.

What matters here is the process by which these additional acts of care become, inside our own mind, things the other person is simply supposed to do.

Something that began as an extra act of care can eventually become part of the relationship itself.

If the same behavior is repeated over time and both people come to understand it as part of how their relationship works, it can become a shared expectation.

The important distinction is this:

Something becomes part of the relationship when there is mutual understanding—not merely when one person’s expectation becomes stronger.

There is a real difference between an act of care becoming a shared norm and one person privately deciding that the same act is now mandatory.

When “I’m Happy They Did It” Becomes “Of Course They Did”

At first, the evaluation is simple:

They did it → I’m happy
They didn’t → That’s that

If they make time for us, we are happy.

If they adjust their schedule, we appreciate it.

If they prioritize us, we feel their affection.

But once “I’m sure they will” becomes an assumption inside us, the scale changes:

They did it → Of course
They didn’t → Disappointment

Something that once counted as a positive now merely brings the score back to zero.

What used to be a bonus becomes the baseline.

The standard by which we judge the other person has moved upward.

An action that once made us happy starts to feel ordinary.

And when the expected action does not happen, what stands out is:

“Why didn’t they do it?”

The useful question here is:

How strong had my expectation quietly become?

When a Reply Turns Into a Question About Your Rank

Suppose you want to see someone this weekend.

They already have plans and reply:

“I can’t this weekend. I already have something scheduled, but I’m free next week.”

What they have told you is simple: this weekend does not work, and next week does.

But while reading the message, something may shift inside you.

“If they really wanted to see me, wouldn’t they rearrange their schedule?”

“Am I not someone they want to see badly enough to change their plans?”

And eventually the question becomes:

“How high am I on this person’s list of priorities?”

The same thing can happen with something you want to do together.

You say:

“I’d love to go there with you.”

They reply:

“That place really isn’t my thing, so I think I’ll pass this time.”

And a thought appears:

“If I really mattered to them, couldn’t they at least go along with me?”

Pushed further, it becomes:

“If you really cared about me, you would do that much for me.”

At this point, our attention has moved away from the other person’s schedule or preferences.

We are now watching:

how much they are willing to change their plans, tastes, or behavior for us.

And we begin using the size of that change to estimate:

where we rank in their priorities.

We started out reading their reply.

Somewhere along the way, we began reading an imaginary ranking table instead.

“I Wasn’t That Important” Becomes “You Don’t Care About Me Enough”

People care about many things.

Work, family, friends, freedom, hobbies, beliefs, time, money, and their own way of living.

We are one part of that world.

If, in a particular situation, someone chooses something other than what we wanted, then in that situation, that other thing mattered more to them.

But if we are using their behavior to measure our own value, the experience may become:

“I wasn’t important enough for them to change their plans or preferences.”

That hurts.

And inside us, another shift can occur.

“I wasn’t that important to this person”

becomes:

“This person doesn’t care about me enough.”

A question about where we stand in their priorities becomes a judgment about the quality of their affection.

Our disappointment becomes evidence, in our own mind, of the other person’s lack of love or care.

At that point, it can be useful to ask:

“What exactly had I expected?”

That question makes the change happening inside us easier to see.

Are We Looking at the Other Person—or at Ourselves Reflected in Them?

When we want to be loved, we naturally pay attention to how the other person treats us.

How much do they prioritize us?

How much time do they spend on us?

How far are they willing to adjust themselves for us?

But when we care about someone, another kind of attention also appears:

“What matters to this person?”

What do they want?

What are they trying to protect?

How do they want to spend their time?

How do they want to live?

There is a significant difference between these two forms of attention.

Am I looking at the other person themselves?
Or am I looking at myself as reflected in them?

When we want someone to prioritize us so that we can confirm our own value, our attention can gradually move from:

“What matters to this person?”

to:

“How much do I matter to this person?”

We thought we were looking at them.

Without noticing it, we may have started looking mainly at ourselves inside their mind.

When Care Becomes Something We Think We Are Entitled to Receive, Gratitude Shrinks

When someone does something for us and we think,

“They did this for me,”

we feel happy and grateful.

And we may naturally think:

“I’d like to do something for them too.”

But if we already believe,

“If I matter to them, of course they’ll do this,”

then their action is evaluated differently.

It becomes:

They simply did what I expected them to do.

And once we reach,

“Of course they should do this,”

we begin to see their act of care as:

something we were entitled to receive in the first place.

Something that once made us think,

“That was really kind of them,”

now becomes:

“That’s normal.”

So:

The moment we begin to treat another person’s goodwill as something we were naturally entitled to receive, our gratitude for it begins to disappear.

When Gratitude Shrinks, So Does the Desire to Give Something Back

When someone does something for us and we genuinely appreciate it, we often think:

“Next time, I’d like to do something for them.”

This is not necessarily a calculation of debts.

We felt cared for, so we want to care for them too.

But if we think,

“Of course they should do that for me,”

their action no longer feels like a meaningful expression of care.

It feels like receiving the treatment we were supposed to receive.

Imagine that the other person pays the bill.

If our reaction is:

“Thank you. I’ll get it next time,”

we are receiving their action as an act of generosity or care.

But if we think:

“If they care about me, of course they should pay,”

then their paying merely meets the standard we already set.

Only when they do not pay does dissatisfaction appear.

If, in our relationships, we increasingly notice what the other person failed to do rather than what they did for us, the number of “they should have” expectations inside us may have quietly increased.

The Pleasure of Being Prioritized and the Pleasure of Being Kept in Mind

There is another kind of happiness in relationships.

It appears when we notice, in some small gesture or ordinary action, that the other person had us in mind.

They remembered something we once said.

They naturally did something that made things a little easier for us.

They saw something and thought of us.

They may not even have consciously intended it as an act of consideration.

Still, we may feel:

“I existed somewhere in this person’s mind.”

What makes us happy here is:

the feeling that we were naturally present in the other person’s everyday world.

There are at least two different pleasures in a relationship:

the pleasure of being prioritized

and

the pleasure of having been kept in mind.

The first makes us aware of where we rank among the other person’s priorities.

The second makes us happy simply because we have a place in their thoughts.

They have work.

They have family.

They have friends.

They have hobbies.

And somewhere in that life, there is also us.

If that itself can make us happy, the need to repeatedly check where we rank becomes smaller.

Occasionally Check the Standard Inside Yourself

Someone prioritized you.

They spent time on you.

They adjusted their schedule.

They took care of something inconvenient for you.

When someone we care about does these things for us, it feels good.

Part of that happiness comes from the fact that:

they chose to do it themselves.

But:

“I’d be happy if they did”

can become:

“I’m sure they will”

and eventually:

“Of course they should.”

When that happens, it may be worth looking at:

what kinds of expectations have formed inside us.

Was something that once made us happy now something we consider ordinary?

Do we count what they failed to do more often than what they did?

Have we quietly turned something we wanted into something they are supposed to provide?

When we receive a reply from someone, are we reading what the message actually says?

Or are we trying to infer our rank from it?

Seeing that distinction can change the way a relationship looks.

Conclusion

We want to be cared about.

When we love someone, we want to matter to them.

From that desire, expectations grow.

And sometimes the progression becomes:

I want them to do it
↓
They probably will
↓
I’m sure they will
↓
Of course they should

Along the way,

“I’d be happy if they did”

turns into:

“Of course they should.”

And eventually, what they didn’t do is what stands out—and becomes a source of disappointment.

What has changed is:

the standard inside us by which we evaluate the other person’s behavior.

When we begin to treat another person’s acts of care as treatment we are naturally entitled to receive, gratitude becomes smaller.

As gratitude shrinks, so can the spontaneous desire to give something back.

And our attention gradually moves from:

“What matters to this person?”

to:

“How much do I matter to this person?”

If relationships repeatedly become difficult in similar ways, it may be worth looking for the “of course they should” expectations that have formed inside us.

The other person exists in our mind.

We exist in theirs.

And we can simply be glad that this is so.

Relationships built around that kind of mutual presence may have more room to grow.


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→ About Rikutsu-Kone-Taro

作成者: 理屈コネ太郎

元消化器内視鏡医・産業医。現在は社会・人間行動・構造分析をテーマに執筆活動を行う。定年退職後はヨット・ボート・クルマなど趣味と構造研究の日々を過ごす。

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