I need help again

ok hi guys sorry to bother te again it's just that i need help again my dad is recitazione how can we say it like an jerk first of all he is always starting fights and shit with me then it get's più interesting my sister's i pod was like messed up and like he is like mad nice with her and stuff so he diced to fix it now my sister got her i pod back and this is where he ticked me off he just got in to an fight with me right now and i asked him nicely what's his deal he just end up yelling at me some più now im kind of sad and pissed i mean im already sad enough so i just don't know any più i don't know what to do cause now im just stressed out he has been like that for the past few days mad nice with my sister but an meanie towards me my mom and we did not do anything to him so please i need ed vice o help i don't know what to do anymore in fact i just give up.