I saw this news report on CNN politics and somehow I find Mr. Trump’s theory on human energy really interesting, so here I come sharing with you guys.

“I get exercise. I mean I walk, I this, I that,“ Trump told Reuters. “I run over to a building next door. I get more exercise than people think.”
So CNN summed up his exercise regimen:
1. Walking
2. This
3. That
4. Running to building next door
5. Unspecified number of repetitions

“A lot of people go to the gym and they’ll work out for two hours and all,” Trump said. “I’ve seen people… then they get their new knees when they’re 55 years old and they get their new hips and they do all those things. I don’t have those problems.”
He said something similar in a 2015 New York Times magazine profile: “All my friends who work out all the time, they’re going for knee replacements, hip replacements – they’re a disaster.”
He said that he “exerted” himself fully by standing in front of an audience for an hour, and “that’s exercise.”

In the book Trump Revealed, the reason why he holds this exercise regime was explained:
After college, after Trump mostly gave up his personal athletic interests, he came to view time spent playing sports as time wasted. Trump believed the human body was like a battery, with a finite amount of energy, which exercise only depleted. So he didn't work out. When he learned that John O'Donnell, one of his top casino executives, was training for an Ironman triathlon, he admonished him, "You are going to die young because of this."
The editor of CNN gave it a name called the “battery theory.”

Of course the recommended exercise time for ordinary people is 4-7 times of half-an-hour moderate exercise according to CDC, so at least Trump’s theory does not suit everyone.
I don’t mean to support or criticize his battery theory, but think it really interesting and would like to know how you guys think of it.
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