For example, why his genes showed no obvious changes, appearing as if his superpower had never substantially improved from the beginning to the present.
This might be an opportunity to prove that his superpower is really just 'simply' crossing.
But he didn't care at all and instead kept jumping in place for ten hours straight at the entrance of the Science Academy!
The people around were all tired of watching, but he looked not the least bit tired and was in great shape.
"It seems, Mr. Ji has truly given up on proving he's not mentally ill. Otherwise, he definitely wouldn't be doing this, knowing full well he would do something not even a mentally ill person would do."
"Perhaps he feels it's pointless to always say the same old things, convincing no one."
"To be precise, it's not that he's given up on proving himself. It's because he has achieved immortality and, therefore, doesn't care about our doubts. We, after all, are mortal."
