Threatened

I dont.do botox since he threatned me that he will go.back and.do.drugs, he does.not allow.me.to do birth control, he said that he was the head of fhe house and told me I had.to sell my car. For.the sake.of.continuing my marriage I have obeyed him and submitted.to him. Recently, we have been fighting almost everyday. Out.of nowhere he now wants to start carrying a gun on him since last week. This week, We just had a really bad fight, now he started to leave his gun.on top of the dresser for display. In the fight he threatened me saying that if I scream at.him again I will regret it. It has been already 3.days and.he continuous treating.me.cold and gives me.intimidating looks. he screamed.at.me ine car saying.that what he says is and that is it. Is the first.time.that I.decided.to.speak up and not obey him. What should I do?