I’m shamelessly stealing that person idea, because I think it’s an interesting question.
Personally I’m into porn involved some forms of abuse, often it’s rape but it could also be just spanking or gaslight. Of course I’m not into that in real life. I know CNC is a thing, same with consensual SM and I could be into trying those one day, but I don’t see myself doing that with my husband anytime soon, and it’s different when it’s planned in advance, which is not always the case in the story presented in porn.
I think it would be like those exagerated athletic movements in porn (mostly in harcore videos). They look good in porn, but in reality they are very tiring or borderline impossible for a common person.