The alternative to cutting is to lie down and feel your stress. After a while you will get calm. Cognitive psychotherapy could help you to solve your anger problems. People who get angry too quickly, often think in a wrong way just before the outburst. You don't seem to have a very good relation to your parents. Ask them to be more supportive to you. If they can't, find some relative or other grown up people that like to be suppotive to young people.