To be honest I kind of got it from my sister and a few other forums I go to 
DON'T SUBMIT TO PEER PRESSURE, KIDZ.
The sorts of people who fall victim to these unwritten rules are defective and cannot be repaired over the internet. It is not worth the time to attempt to save them.
Attempting to spell out all rules of social behavior is futile and ultimately leads to the rise of the rules lawyer. Several people have already tried this with me via email and I promptly told them to forget off.
Unfortunately, your forum is scarred by people who lack any common sense at all.
But I suppose unwritten and obvious rules help weed them out.