How to friend? You're here...you're pretty much in already, simple as that.
Rules are simple. Don't troll or talk about doing things with illegal drugs. Respect for other members is a given. That's more or less it. We're pretty easy going really.
A troll is somebody who is out to wind people up! To send messages to people, or to add them as a friend, click on their username then you should see their profile page. Under their profile picture there should be 'friend me' and 'write me' links.
Hmm..Not sure why it's disappearing for you. Maybe try a different browser or something? It works fine for me with chrome. I wouldn't worry about asking 'stupid' questions. I've been here a while now and I still ask 'stupid' questions, most people on here are very helpful and patient