Personally I have never found the practice of recreational drug use appealing. In fact, I have always found the lifestyle and the people who surround it to be abhorrent.
Essentially and most simply put, plot is what the characters do to deal with the situation they are in. It is a logical sequence of events that grow from an initial incident that alters the status quo of the characters.
Waste your money and you're only out of money, but waste your time and you've lost a part of your life.

