help me my life is hell right now!!!! what should i do!!!!!!!!!?????????

ill tell you whats happenin first. im an only child and my parents are waaaay to over pretective!!! they watch everythin i do! and now they hate one of my best friends!!! for no reason and now they want a devorce cuz everyones always fightin in our house and they think its my fault!!! OR theyll sent me to boardin skool or, send me to thearapy!!!! oh ya and i might have depresion but i havent told my parents yet