addressing the behavior first or only addressing the behavior is a band-aid solution, whether it’s done through punishment or appeasement. It may stop the behavior in the moment, but it never gets to the root of the issue.
One thing adults conceal about sex they also conceal about drugs: that it can cause great pleasure. That's what makes sex and drugs so dangerous. The desire for them can cloud one's judgement—which is especially frightening when the judgement being clouded is the already wretched judgement of a teenage kid.