my mum hits my dad !! helppp?

ok so i need someone to talk to about this, my mum and dad have fights every day my mum goes crazy every day says shes going to leave yells.. ( have an eatind disorder, apparently from stress) and u have no idea how hard it is to get over this when your mum dosn't want to take u to an appointment for counceling. mum is a good women when shes happy she does everything for us and is really protective but omgosh when she gets angrey it's like world war 3 liturally i have to go out side somtimes..and this happense alot, my dad is good when she pushes scratches or hits him he takes it but im just scared one day he'll snap or somthing and hit back.

i hate school my friends are aholes which i couls never say anything to them caz they either wouln't care or would tell people so why bother! and now im left at home while my sister 'alter serves' yeah we pretened like were a happy little family but were not and im so sick of it

and if anyone tells me to talk to her or them about just keep on going coz there is no way i can speak that to them! or her she thinks it's normal i use to, to till i saw what most parents do...