@Jamal Shutting yourself off doesn't help. You are better off doing things like playing games to keep your mind off it. Another thing that helped me greatly was making your own religion or at least altering your beliefs to something calming and sensual. To begin with it seems silly, but you slowly start to sort of believe it and it improves your life quality. I know it sounds odd but it worked for me.
It helps for some people but for me it the more I play the more I just hide from my problems instead of facing them, i've come to realise the longer I hide from them instead of facing them the worse it gets.