I honestly think he gets energy from tens of thousands of supporters screaming and applauding and chanting USA and the rest, and this energy goes directly into his system.

It has been well known that the man doesn't need as much sleep as most of us, but it's pretty close to supernatural in my mind.

He is a once-in-a-nation kind of guy. Even better than once in a generation.

Edit to add: “You have an enormous amount of energy. I've never seen anyone like you in my lifetime... How do you do it?”