Welcome mate, you aren't alone on here . Have you had a look at - THE MENTAL HEALTH FORUM ?.
I know I bang on about it, but it's a wonderful site and even though you say you're young at 17, I,m sure you'll find people of your own age group on there who are going through what your going through.
you say your family are messed up too ?. Surely there must be one of them you can talk to ?.
I know if my lad / girl was feeling the way your feeling I'd want to know and support them. People can surprise you in how supportive they can be if given the chance . Hiding it is the worst thing you can do, as it just makes things much much worse . Have you been to your GP ?.
Keep posting mate , someone on here will always get back.
Thanks bro, nah i can talk to some of my family, when i say messed up i mean in the sense of splitting, one of my brothers is becoming completely estranged from us and then the rest of us have different issues and even though we're close, it's like being really close and yet sort of distant at the same time, strange. i guess my main thing is just having someone/anyone to talk to, other than family and some psych haha