I'd stumbled into a job at Salomon Brothers in 1985, and stumbled out, richer, in 1988, and even though I wrote a book about the experience, the whole thing still strikes me me as totally preposterous-which is one reason the money was so easy to walk away from.

You will be stupid. You will worry your parents. You will question your own choices, your relationships, your jobs, your friends, where you live, what you studied in college, that you were in college at all. If that happens, you're doing it right.