Self-Esteem Supercharger and Sales Leap Paraliminal are good ones to start with. Instantaneous Personal Magnetism and Holiday Cheer (yes Holiday Cheer) for socialising and making friends. Positive Relationships is a good one if even strangers manage to push your buttons that make you want to hide.
Have you considered as a more mature student you can be a guide rather than fitting in share your experience that comes with age?
Have a look at the Paraliminals suggested
http://www.learningstrategies.com/Paraliminal/Home.aspAlex
