But I want to tell you a story about -- to illustrate. I've been carrying on here about the biology of love. I wanted to show you a little bit about the culture of it, too -- the magic of it. It's a story that was told to me by somebody who had heard it just from one of the -- probably a true story. It was a graduate student at -- I'm at Rutgers and my two colleagues -- Art Aron is at SUNY Stony Brook. That's where we put our people in the MRI machine.