How to act angry and abusive (drama)?
You need understand how the character thinks and feels, so that you can cause the emotion within yourself. It helps if you actually know someone in real life who has a similar personality. A violent boyfriend is very selfish, arrogant, dominating, and demands respect from others. He is not afraid to be loud, likes attention, and gets angry when others do not do exactly what he says. He does not truly love his girlfriend. He only sometimes acts like he “loves” her because wants her for his own selfish reasons. It’s all about him, him, him. There is no sympathy towards others- as long as he gets what he wants and does what he feels like, that’s all that matters.