"Why hide it on purpose?"
"When you find that there is no one like you in the world, you will also want to hide it."
When he said this, he was smiling and looking normal. I didn't find any clues on him to prove that he was in a bad mood, but I just felt that he was in a bad mood.
Can intuition also count as evidence? It seems not possible.
"Then why don't you hide it again?"
"Didn't I tell you that I'm going to die soon." He looked at me and said, "I want to leave something behind before I die, so I won't hide it."
Intention: You are the evidence that I leave in the world