I bought a guitar a year and a half ago - spent a year learning how to play....took lessons.
After about a year of learning various songs (new and classics), I felt comfortable enough to pull out the guitar at house parties, and let me tell you - i've never had so much sex in my life.
The ladies LOVE guys who can play the guitar and keep the party going until the wee hours of the morning. I always end up nailing the drunk girl who doesnt want to go to bed - just wants to sing songs all freakin night.
Anyway, if you dont mind late nights playing songs for drunk sluts to sing to, I highly recommend learning how to play. It's a pussy magnet. At the end of the night, if you keep playing, there will always be one slut left over at the party who will want to jump you like the rock star you think you are. It's unreal.