Yo people ! Ce qui va suivre va surtout intéresser les anglophones, sorry.
I just got across a handful of websites to help calming anxiety attacks, self harm pulsions and general loneliness and depression !
You can find the list and the description here :
http://isilril.tumblr.com/post/167406716146/guys-this-is-very-important
Remember that you are important, you have people who love and value you (and I am one of them).