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!
user
Some people have incredible energy and drive! 
assistant
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!
user
True! Often managers do not deserve that role. I am glad he does!
assistant