I have a 16 year old son and have just found a bong in his bag after a stay over at a friends place a few nights back and also a quantity of cannabis hidden in his room, which I purposely looked for after finding the bong.  I have not spoke to him about it yet and he has no idea that I know.  I am at a loss where to start. He is quite introverted except when with friends. I don't know why he uses and neither parent uses.    I am heartbroken and can't stop crying when I think about it.  I know it's not the end of the world but I honestly don't know what to do - I have not told my partner yet or anyone else. We have had no other 'issues' until this and I feel lost and don't want to lose my child.   I don't know whether to first contact the mother of the sleep over child just as an FYI so she is also aware of what is happening or to confront my child about it. I believe he will deny it, like most teens would, and don't want to push him away for fear he will take off like so many others do.  I am really struggling with this and would appreciate any help. ... View more