Very true.............some girls (and guys as well) like it rough, very rough.................sometimes even going so far as sexual asphyxiation (choking during sex).
If your partner, for whatever reason, decides to report the incident you might have a very hard time explaining away any marks, bruises, or any other physical signs consistent with sexual assault.
The moral of this story is that you need to be very careful who you choose to be intimate with and what type of "activities" you engage in with that person.