Alright buddy. I guess you have been given all sorts of advice and guidence to help. try this website
http://www.rcpsych.ac.uk/mentalhealthinfo/problems/bipolardisorder/bipolardisorder.aspx
A guy i know suffers from this and i asked him if he could talk to you but is still getting to terms himself, but he said the site above helped!
ps keep in touch, its good to have mates around, even better if they wanna ride loads too