How about an Agony Aunt forum? This idea prompted by the ongoing "girlfriend in a threesome" topic. In it could (should) go such heartfelt pleas such as feeling temporarily suicidal, and I may be a total jerk, but why does nobody love me?. There have been many others, too. Not worth trawling the archives to be specific. You all know what I mean. Personally, I find them embarrassing, incredible, or uproariously funny by turns. Nice to go directly to them when I need a good laugh.
I keep out of them, because I am usually tempted to say something like "never mind, kiddo, when you start to shave and are dry behind the ears, you will look back and turn pink with embarassment at having paraded your insecurities in public."