Dirty talk, especially if it features something like "Look at how eager you are, you filthy slut". I usually end up finding it comical.
Smut that doesn't know it's non-consensual. I actually love non-con, but if the vibe I get from the story is that the author means the scene to be romantic and healthy, fuck no.
Re: Turn-offs in smut
Smut that doesn't know it's non-consensual. I actually love non-con, but if the vibe I get from the story is that the author means the scene to be romantic and healthy, fuck no.