I haven't posted to you before, and forgive me for being blunt but
Quote:
He's already told me I'm the only one he can talk to.


This is not healthy behaviour on either his part for saying it or yours for receiving it. Do you know about co-dependence? We are not responsible for the actions of another. Anyone who has dealt long term with someone who is suicidal comes to understand this, hard as is sounds. He needs professional help. Whether or not he accepts this need is another matter.