In the days that followed, Shan Bing and the old eunuch once again experienced that perhaps there was some truth in what Du Chengfeng had said.
Just like Du Chengfeng's daily routine these past two days—going to bed early and getting up early, maintaining a healthy and nutritious diet, and as for the rest of the time, Du Chengfeng chose to train himself—but this kind of training wasn't like the usual notion of training. It was entirely different from what everyone typically understands as "doing a certain move multiple times" or "lifting this heavy thing."
He was trying to do all the things he found interesting.
"The key is the brain,"
When Shan Bing asked with doubt, Du Chengfeng, who was practicing chopping meat, put down the kitchen knife and pointed to his own head.
