"Bad" bacteria because there are also good bacteria that we need in order to live not just healthy, because every person gets sick and we need it for our body. Too much good thing is a bad thing.
When a 15 years old plans to go to a nightclub without informing his or her parents and is afraid of being caught indicates an typical adolescent behavior. It is the behavior in the teen years and it's determined by their moral and <span>behavioral code.</span>