Being a nerd, which is to say going too far and caring too much about a subject, is the best way to make friends I know. For me, the spark that turns an acquaintance into a friend has usually been kindled by some shared enthusiasm . . . At fifteen, I couldn't say two words about the weather or how I was doing, but I could come up with a paragraph or two about the album Charlie Parker with Strings. In high school, I made the first real friends I ever had because one of them came up to me at lunch and started talking about the Cure.