The Internet says that I'm normal. Whew! I was concerned.

Your Social Dysfunction:
Happy

You're a happy person - you have a good amount of self-esteem, and are socially healthy. While this isn't a social dysfunction per se, you're definitely not normal. Consider yourself lucky: you walk that fine line between 'normal' and being outright narcissistic. You're rare - which is something else to be happy about.