I imagine it depends on what info you’re comfortable having connected to your name. My Facebook has my real name, and I’d be ok sharing what I cooked for dinner, but i wouldn’t share hyper personal details.
On an anonymous website I’d share more personal info because my name isn’t associated with it. I don’t have to worry about my coworkers asking me why I’m subscribed to r/SlimegirlHentai
Sounds like a bad time to you but that’s someones dream woman you just described.