I'm not sure about Valium it's a quick fix instead of a long term solution.
Go with the gram of MDMA and split it up into 150mg doses. Take one and go to a rave and have a fucking ball ... Do this every four weeks until your gram is gone and i'm very sure you would have gotten over a few barriers at least. by the end of it.
After a good night on the town with Molly you feel AWSEOME for the next week or two and shit becomes more positive.
I haven't rolled in two years but just the other day got some Molly to help me stop becoming an anti-social tard. This Friday I will drop at a rave with some girl and her friends I barley know. This is step one for me too open up a bit more.