Need help!

I have never had an interest in writing stories. Like NEVER. But I had a sudden urge to try to write an erotica. I just wanted to ask advice on how to do it? How to come up with a story line(my stories would be fiction) and how would I write spicy scenes?
I’ve also never actually had sex but I still want to try writing an erotica (yes, I’m of age moderators)

Any advice in the comment section would help!

Source: reddit.com/r/Erotica/comments/rucs0p/need_help