Nothing is going to stop you. Nothing we say, nothing your friends/his friends say.. not even that nagging little voice that brought you here to a forum for F&F of alcoholics who have seen it/done it/got the T-shirt.
So.. the advice I would give is.. arm yourself with as much information and support as is possible. Knowledge is power and having the tools in place to deal with any consequences and fallout should it all be as this forum feels it may be, might just save you alot of crazy in the long run.
Tx