Yes, you can. All you have to do is go to the towns or to one of the games like rally. Also, on the chatterbox section (if the poster's rules say you can).
Well, you don't have to be. It is an required field to fill out when signing up. You don't have to answer truthfully.Many people are younger on Gaia though.As long as you're a member on Gaia, you can...
Maybe because he's trying to improve the site and he can't use his avatar and improve his site and have a life at the same time. He probably felt as if he was stressed and without the avatar he could...