Look I apologize for suggesting you pushed him to do it. But if he gets violent leave his ass, case closed. Let him know up front if he is gonna be man enough to do steroids then he will be man enough to control his moods. If he lays one finger on you in anger, leave his ass on the spot. You seem to be a very level headed careing women, so you are smart enough to see it coming, just be careful, if you care about him be supportive, if you have doubts then you already know what you should do.