Don't think it's the stress. It all boils down to parental guidance. Some parents just don't care (for whatever reasons) and as a result, their kids go awry. A friend got a to know his colleague - a girl of 20 - at his new office. 1st day at work only and this girl told him she started to "chau sui" (sleep around) 15! At the end of the day, she asked him to kiss her because it was her birthday the following day. Go figure!
It's better to be poor than to be rich. The rich always have to fear becoming poor, but the poor never have to fear becoming rich.