yeap don't fret over it too much get a counsellor to aid you
I face a similar problem like you when I was young...sec 3 or 4 that time but my case was different from you
my dad suspected my mum of having an affair because she frequently went out..but actually she went out for religious purpose..temple most of the time
but my dad doesn't trust her so quarrelled and even locked her out of the house once..everyday was just quarreling and fighting
so I was like you lor..one day couldn't control and went berserk really berserk..was eating and they started quarrel again..my dad then locked her out of the house
I couldn't take it.. smashed my plate all over and bent my spoon..started cursing and scolding my dad..couldn't really remember what happened after that cos my mind went blank..
did feel useless like what you have mentioned but sometimes things cannot be helped by you yourself alone..you just have to bear through it and seek help
yeap like what mysteev has said..brute doesn't solve the problem..get professional help or your relatives
don't worry you are not alone
