If it is to carry any weight, it would have to be a main character, and we don't discover (ha) what they are doing until later into the series. Something difficult to deal with happens, and we see them struggle to cope, and become more dependent on whatever substance they are taking.
It is easy enough to be puritan about it, "Just Say No" and all that. But future morality changes, and staying relevant, but dealing with what can be real issues, is a fine balance.
It is easy enough to be puritan about it, "Just Say No" and all that. But future morality changes, and staying relevant, but dealing with what can be real issues, is a fine balance.