And that more women are reporting slapping, choking, urinating on, i.e., violence, during sex ... something the guys have seen in porn and now need it to get turned on.
Perhaps like illicit drugs, the second hit is never as good as the first hit and downward the spiral goes from there.
Seeing the same porn twice is never as good as the first time creating the lust for ever newer porn which ultimately becomes unsatisfying resulting in venturing into rabbit holes of different types of porn, and on and on it goes.
The porn they first began viewing that was arousing to them became boring while the porn that used to disgust them has become what arouses them.