1.what you should do is tell jake parents or teacher so they could try to get him out of the Habit and you should have a talk with him explaining why he should not smoke
2.You Should try to support your girlfriend to get out of the habit and take her to a rehab center and you should support her through the times when she tries to stop smoking.
3.You should immediately tell someone about this before his health gets worse there are other ways to help him with out getting your self in trouble.
