When I've younger I was terrified of writing and especially signing documents in front of people my hand would uncontrollable shake. The first time I experienced it, is when I applied for my divers licence, they had some sort of special pad that I had to sign so they could copy the signature...
Just curious, I think as people with social anxiety we have limited experience with the opposite sex, so it's hard to know what women see in men and what men see in women.
I can't stand looking in the mirror, I have to get myself in the right mind frame first, catching a unexpected glimpes of myself in the reflection of a window or something really brings me down.