What to do cuz i have no clue?

Soo my boyfriend is soo abusive an i dont know what to do he showers me in all these fancy clothes and jewlery but he hits me and is soo rude to me i cant tell anyone whats goin on i cant even talk on the phone without him listenin and the sex is great and he sells drugs and we have 3 kids and he doesnt even watch them he buys them all these things and sends them away he beats them and kick them outside in the cold all night and i cant do anything i have to watch my children go through this and they watch me go through this i dont know what to do my boyfriend is high right now soo this is why im on here i cant even call my mom because he doesnt let me talk even when he is high so plz tell me what i should do i cant go out with my friends he cuss them out in public we pretend to be this lovely couple with no problems and im tired of the abuse and need help i wish i could fight back but last time i fought back i ended up in the hospital so help MY NUMBER IS 404 749....