I had a girl start choking me when we made out in the back of my van for the first time. I have never been choked nor choked, so I didn't really know what to do in the moment, just rolled with it. Later asked her about it and asked "is that what you like" to which she obviously said yes. People are horrible at communication, no wonder that relationship failed.
I remember one girlfriend back in the day told me to talk dirty to her so I said "do you like that bitch?" While fucking one day and she broke down crying and I spent the next 30 minutes holding her balling her eyes out..