Is it normal for my dad to
okay so, my parents are divorced and I live with my dad and my sister. and almost every single day, my dad comes home from work in a pissy mood. and like if my sister and I start talking or something he will assume we are arguing and like flip shit on me and my sister. like my dad has high blood pressure and all, and I know that me and my sister arguing doesn't help with all his stress, but is it normal for my dad to scream at us for the stupidest things? and when he does that, I end up bawling my eyes out for usually hours, and all he can say is what are you crying about? I really wish my dad would lighten up some