Mary Lou Jepsen on hormone levels of a young man: I was angry all the time

I was angry all the time. I thought about sex all the time. I thought I was the smartest person in the entire world. It gave me a new appreciation for men.

  --Engineer Mary Lou Jepsen, in 2013, in a TED talk. She had had a brain operation and needed hormone therapy, and was experimenting with hormone levels "typical of a man in his early 20s."