I hope you are feeling better this morning! I know exactly how you feel, there have been times when I just wanted to leave with the clothes on my back, change my name and disapear. I kinda did that when I left home at age 18, things got better, then worse, then better again. just when I think all is going well, BAM! something else rocks my world! All we can do is reach out people that either can understand us or give a hug or sometimes just be there to listen with a shoulder to cry on.
Take one day at a time, yell screem cry cuss do whatever you feel you need to do to let it out, most of all don't try to keep it all in. Just because others have worse problems doesn't mean that your problem isn't significant. Take care of yourself and if you need someone to talk to PM me!