bi-polar is no excuse.my wife is bi-poloar.will have to be medicated for the rest of her life.she never acts like that.infact most of her outbursts are from fear,not anger.i do know what you would like to do,but dont do it.try to keep your sons away from him ,IF YOU CAN,brothers and dads have a rite to protect their loved ones.be patient,your chance will come,just use your heads.i dont pray much,but when i do i mean it.mine are with you all the way.oh yea,where does this dude live?geezer69