I'll start with a confession. There was a stretch where every time I made a move and it didn't land, I filed it away as proof.
Proof she'd gone off me. That's how it felt, anyway.
I took it personally. I made it about me, about whether she still wanted me. It took me a long time to understand that it was mostly not about me. The question wasn't whether she wanted me. The question was whether she still felt like a woman worth wanting.
She hasn't lost it
When a woman stops feeling sexy, men tend to read it as rejection. Mostly it isn't. Mostly it's what life does to her picture of herself.
Researchers Sims and Meana interviewed 19 married women about why their desire had dropped. The reasons they gave were about the shape of their lives. The relationship had become an institution. Everything was over familiar. And the roles they carried every day, mum, partner, organiser, had very little sex in them.
Think about her week. Who remembers the dentist, the permission slip, the birthday present for the kid at school? It's hard to feel like a sexy woman when your head is full of lunchboxes.
Her body, her head
Then there's her body. Pregnancy, feeding, sleepless years, getting older. A body that has done all of that deserves a medal. She often sees it differently.
That matters for desire. Two Dutch researchers, Woertman and van den Brink, reviewed 57 studies on this. Their conclusion was that body image issues can affect every part of a woman's sex life, and that self-consciousness about her body is a big piece of it.
Michael Wiederman looked at one specific piece of it. About a third of the women he surveyed felt self-conscious about their bodies during intimacy at least some of the time, and those women had lower sexual confidence and avoided sex more. If part of her brain is busy watching her own stomach, it isn't free to enjoy you.
You can't argue her out of that. Telling her "don't be silly, you look fine" once a year won't touch it. What touches it is evidence, steady and repeated, that you look at her and want what you see.
Why your words land harder than you think
Most men under-compliment. We think it, we don't say it. We assume she knows.
Psychologists Xuan Zhao and Nicholas Epley tested exactly this across nine experiments. People who gave compliments consistently underestimated how good the person receiving them would feel, and overestimated how awkward it would be. So they held back. The thing stopping you is a bad forecast, not a real risk.
So here's the job. Notice her and say it. Watching her get ready. The way she walks. The thing she does with her hair when she's concentrating. Make it about her, not her body parts, and not about what you want next.
Feeling desired is part of her desire
Here's the bit that changed how I think about all of this.
Sex researchers Anthony Bogaert and Lori Brotto put forward an idea they call object of desire self-consciousness. The short version: for many women, being aware of being desired is itself a turn on. Seeing herself through the eyes of someone who wants her is part of how her own want switches on.
That's a theory paper, not a trial, so hold it lightly. But it fits what I've seen in real life. When she feels wanted, she moves differently. She dresses differently. She starts to feel sexy before anyone has touched anyone.
So when she's stopped feeling sexy, the answer isn't to ask her to try harder. It's to show her, over and over, the woman you see. Then let her catch up.
What switches her on
It's worth knowing what actually sparks desire for women. Researchers McCall and Meston asked women exactly that. Along with the obviously erotic stuff, their list included emotional closeness and romantic gestures. Feeling bonded is part of what switches her on.
That's good news for any man. You don't need to be a model or a magician. You need to be the man who notices her and says so.
What helps, and what doesn't
What doesn't help: sulking. Keeping score. Dropping hints and getting grumpy when nobody picks them up. I've done all three. None of them work.
What helps: making her feel noticed without asking for anything back. A card in her bag that says what you think when she walks past. Taking something off her mental load without being asked. Letting her hear, regularly, that you still find her attractive.
You don't have to become a poet. You can start with one honest thought.
She didn't stop being sexy. She stopped hearing it. You can fix that part.