It's not surprising, honestly, that Mark would think that discipline is sexy ... he has an emotional affair with spreadsheets ... so ... he's just strange. But Amy, she's a double expressive personality and let's say, expressive personalities are not known for their love of discipline.
The scope and breadth of this podcast is pretty crazy. Stick with it until the end and it's crazy all that you can pick up. Share this with two other people and then talk about it.