Seconding peri menopause. No one talks about this.
Estrogen plays a huge role in our enjoyment of sexual activity. As estrogen drops, blood flow to the vulva, clit, vagina also drops. Atrophy can start. Diminished ability to orgasm, orgasms that stop feeling good, etc.
I still was able to create lubrication, but could not finish easily, or have orgasms that felt good that often.
It may not be peri, but it doesn’t hurt to learn about it.
https://www.menopause.org/for-women/sexual-health-menopause-online/sexual-problems-at-midlife/decreased-response-and-pleasure
https://www.feistymenopause.com/blog/how-to-keep-menopause-from-erasing-your-orgasm
The great news is that this can be addressed.
You may want to talk to a gynecologist who has menopause education. This is a tool you can use to find a practitioner in your area:
https://portal.menopause.org/NAMS/NAMS/Directory/Menopause-Practitioner.aspx