Suicide is the coward's way out, and the worst way to die. According to Christianity, suicide means automatic hell, because the taking of a life, including your own is a sin, and you can't ask for forgiveness because well, you're dead. And Hell is the worst place imaginable, absolutely nothing, not even what you say your life is like, could be as bad. You'd never be happy again.
You need to give thanks dude, because as bad as your life may be, it could be a whole, lot, worse. Imagine not having a house, car, job, and barely any food, parents are dead, you have to fend for yourself in a world you know little about. Sounds bad, right? Well, it's happening right now to millions and millions of people. You've got friends that do care about you, and we care about you too. Those people I mentioned probably don't have any friends at all.
Just because your life may be bad, doesn't mean it won't get better. You could wake up tomorrow or any day and win a million dollars, or meet the love of your life, or something else. But if you kill yourself, you will never know. God's got a plan for you, all of us. We'll die when he wants us to, for reasons beyond us. Live your life all the way, do the right things, and you go to heaven, the opposite of hell. Sounds nice, doesn't it?