I cant chooz btween my parents *again*?

Lyk 2 yearz ago my mom and dad gota devorse, my mom waz a real b!tc ta him so i got mad and left with my dad...so 2 yearz went by and im having a crappy life livng here, but my mom said that it would b ok ta move back with her. My dad iz tha poor 1 whoz addicted ta cigeretz, so im around smoke all tha time in a realy small house....my mom haz tha money and she dont like smoking at all...(long ik sorry) So what im asking for help iz, who should i go with? I can be with my friendz back were my mom livez but shell make my dad pay child support 4 me and my lil bro, or live wit my dad and have bad health...but also be ok with both my mom and dad insteada have my dad upset....idk wat 2 du. Pleaz help