He said it was private.
She said she just wanted to know.
Both of them were right, which nobody wants to hear.
A refusal to answer can be a boundary.
It can also be a confession dressed as one.
From the outside, they sound the same.
If you're asking, you won't know the difference until later, maybe never.
The Silence Sounds Like Yes Because Silence Always Does
Ask a straight question and get "that's private," and your brain does something specific.
It doesn't leave the blank empty.
It fills in the worst version of the story it can find.
That's not a flaw unique to anxious attachment, anyone starved of information does this.
The person lying awake wondering if her ex slept with someone isn't broken.
She's just missing a fact her brain insists on inventing anyway.
"It's not your business" and "yes, but I don't want to tell you" sound identical.
You can't sort the two from the outside.
That's not a failure of judgment.
If you push for a second answer, he might call it proof of your insecurity.
Now you've lost ground instead of gained it.
Your Attachment Style Didn't Invent This Doubt
You've been hunting for a rule that separates legitimate curiosity from anxious spiraling.
That rule doesn't exist, and the forums prove it every time.
Half the comments say you have every right to ask.
Half call you controlling for asking at all.
That split isn't a data problem.
The situation genuinely supports two readings at once.
Your attachment style shapes how loudly you feel the need to ask.
It shapes how hard the silence lands.
It doesn't manufacture the ambiguity itself, the ambiguity is real.
What your attachment style might do is convince you the discomfort proves something is wrong.
Wanting to know isn't the problem.
Believing you'll finally feel calm once you know, that's the belief worth checking.
Getting better at asking won't guarantee a better answer.
He can refuse a calm question as easily as a panicked one.
If that happens, you're deciding whether his refusal is a locked door or one left open on purpose.
Timing Tells You More Than The Act Does
Strip the emotion out, and one fact matters more than the rest.
That fact is timing, not who or how many times.
If your ex had someone lined up before the breakup, that's an overlap, not a split-time hookup.
If it happened cleanly after, that's a different fact.
It might still hurt, but it doesn't make him a liar.
This is also where the sexual-health question and the emotional question split apart.
Wanting to know before resuming unprotected sex is a health decision, not a jealousy test.
Wanting to know who he kissed, and whether she was prettier, that's grief looking for a shape.
If you're the one who did the hooking up, this applies to you too.
You weren't together, and nothing that happened broke an agreement.
What can still break something is staying quiet for months, then having it surface anyway.
The act was allowed.
The silence afterward is what turns it into a lie.
Getting The Answer Doesn't End The Spiral
Say you get the yes or no you've been rehearsing.
Here's what people who actually got their answer report afterward.
Nights without sleep, nausea, a stomach that feels like a concrete mixer.
Not because the answer was more information.
Because now there's a real person to compare themselves to.
And even the full answer might not be full.
More than one person has learned her ex only admitted what he'd been caught for.
That doubt doesn't go away once you get a number.
It just changes shape.
You're asking for a fact, but really hoping for calm.
Facts don't reliably do that.
They tell you something true, then leave you to build the calm yourself.
That doesn't mean don't ask.
It means don't ask expecting the question to do work only time can do.
What Actually Counts As A Real Answer
There's no outside authority who can tell you whether asking is reasonable.
Not a forum, not a study, not this article.
But there's a version of the question that gets you closer to something usable.
Try "did anything happen before we broke up," not "tell me everything that happened."
That version is about the relationship's timeline, not his sex life.
It's harder to dismiss as insecurity.
It's genuinely yours to ask if you're rebuilding together.
If he refuses even that, you've still learned something real.
That doesn't prove he cheated.
It shows he's choosing to keep a wall up while asking you to open yours.
You get to decide if that's a relationship you want, separate from whatever the wall is hiding.
That's the honest version of a refusal telling you everything.
Not proof of the worst story.
Proof of how much he's willing to be known right now, which matters more anyway.