112: Intervention overconfidence, Caller question, Alcoholism, Evo Psych in academia, advertising,

Questions today: 1) Listener has a friend who is an alcoholic.  What can be done as a friend?  2) Why can some people drink heavily and not become addicted to alcohol? 3) Is it worth being an evolutionary psychologist in academia? 4) How does advertising & media influence people? 5) Why do people love music?