It may not always look like it, but believe it or not, I feel that.
I have self-esteem issues, social anxiety, and avoidance. The whole works. It's easier for me on these forums and in some real life situations, but not always.
Even here on PC, I can post a bunch of messages when I'm feeling good and receive lots of positive responses ... I feel confident (even helpful and friendly) ... everything's great ... and then, out of nowhere --
*Whack*, Anxiety -- I don't want to post, feel like I have nothing worthwhile to say, worry it won't be good enough, or that I'll say something off-putting or
stooopid.
It's quite frustrating. I feel so silly for feeling that way.
I find the joking helps me in life in general, and here too -- although I'm reluctant to yuk-it-up (really joke around) on the depression forum. I wouldn't want it to grate on someone who was currently in distress. I'm more silly and casual on the other forums. I can usually keep posting in the social/non-issue forums unless I'm just feeling truly rubbish in general.
I don't have any advice beyond the usual treatment methodologies for such things. I just wanted to say I sympathize. You too, Skeezyks -- although you might not read this.