I don't think this is something that most people get to talk about too often in an environment of mutual love and respect. So I ask: what are you most self-conscience of about yourself?
For me, I always worry if I'm annoying. Since I can remember I've always acted the part of the class clown. But often times that led me to going over the top and as a result I felt (mainly in high school) that many people became annoyed with who I was. It's still something I am always aware of. I try to be just funny enough, but hold back when I feel I might be becoming too much for my friends to handle. So yeah. I'm self-conscience about being annoying.
Edit: Corrected spelling in title, haha. I'm overwhelmed already by everyone's openness. Thank you very much everyone for your honest responses.