This is my about my personal life.?

4 yaers ago i got married to my uncle daughter , she went to pakistan to marry me and sponsord me to united states.letr she started disliking me and started torturing me mentally they used to call me ugly face cuz i was pakistani they made my poor parents spent their saving. my parents spent everything i been here in states since 2005 and finally my visa going to be finished next year in june and she has been seperated wih me. if go back to pakistan i will mentally get sick enough cuz i been here nearly for four years and i burnet my all boats when married her. can somebody tel me what i should do? im i trouble and dont wanna get illegal in this country.