The men and women on staff at This American Life decide to get their testosterone levels tested, to see who has the most and least, and to see if personality traits actually do match up with hormone levels. It turns out to be an exercise that in retrospect, we might not recommend to other close-knit groups of friends or co-workers.

David Rakoff discusses the world of birthdays and other holidays, as they're celebrated on the job... and what happens when you call yourself an editorial assistant but the editor you're assisting calls you a secretary. He read this story before a live audience at Town Hall in New York City, during a This American Life live show.