Just that really.
I used to feel 'sexy'. I don't anymore. I'm attractive enough, I've got a reasonable figure.
I just don't feel sexy. More faintly ridiculous.
I keep on top of 'self care' so nails are nice; hair is nice; I wear minimal make up but look nice when I do; I wear nice clothes; I only wear nice/flattering underwear; I have a fairly high libido but I never feel sexy. Even when I'm having sex I'm just totally disconnected from feeling sexy, attractive or desirable 