dark_heart_x is right. if there's no chance for him harming himself or others you can't force any kind of treatment on him. however, i do have a good resource for you to look at. it's on my reading list and is supposed to be very good.

it's called:

I Am Not Sick, I Don't Need Help! How to help someone with mental illness accept treatment.

written by: Xavier Amadour, PhD.

http://www.amazon.com/Someone-Illnes...995627-4817508