I have questions I have to ask:
1 - are we talking smoking pot, or more than that?
2 - have you talked to the other parents?
3 - have you talked to the parents where he is staying?
4 - are you working together with his father?
And I guess most importantly - to me anyhow - does this kid feel loved, by anyone? If someone asked him - do you feel anyone loves you, how would he respond?
I feel for your son - I actually find reading your posts are breaking my heart. I guess because he's 14 - and I have a kid who is 14, and he's just a kid. He couldn't handle anything that your son is going through.
I personally, would take a leave of absence if possible - and spend the next two weeks with my son - at home, and go to see a counsellor. That's what i would do. I would get advice on all of this. I feel in a way, we are not experienced enough to advise you on this. You haven't told us - are you talking to a counsellor?
I could not make any of these decisions - with my family's support, with my husband's, with my friends' support - I would still need to talk to a counsellor. Have you reached out to one yet?
Tough love is one thing. Your son needs help but mostly - he needs a mom. Please get yourself a counsellor and get advice - because this is more than you know how to handle. Please don't rely on just us. We do not know your situation or you or your son. We can only give advice based on our experiences - I feel you need a lot more assistance than this. Best to you.