history: I'm amazed at how fast and hard my boss can work for long periods of time! I can't believe how much work my boss is able to do every day without getting tired out or slowing down! Some people have incredible energy and drive! 
current: It's amazing to watch! It's one of the few occasions where you can just watch a person and understand WHY they have the position they're in!
next: True! Often managers do not deserve that role. I am glad he does!