Okay my dad is an alcoholic and hes to focused on the beer that he dont kno hes pushin me away?

i dont kno wat to do. my dad is always drinking and he gets mad that im always at my boyfrends house and i never want to be home. hes engaged and i DONT like her at all my mom died when i was 2 and im NOT ready for a mom may sound dum but im not and he dont care..