This is a difficult question indeed. Only The Mother can answer it nicely and maybe she has given an answer somewhere in the works. Two things are needed at the minimum 1) Teenagers have to be treated like friends 2) One must set an example to them by our own conduct. Only then will they come to seek advice. Ultimately, every person is born with some combination of Sattwa, Rajas and Tamas and one cannot expect others to suddenly drop their defects.