Well, your mum is a moron. Sorry, but it's true.

And i'm the same as you, i hit things when i loose my temper - i try not to hit people but that doesnt always go right - i've punched through windows - and doors, when i was 15 i punched my kitchen door in half, the top half just folded.

Dont stop, carry on and make their lives hell untill you can move out - ok, that's not the best advice, but you know what? Fuck those idiots, look out for number one.