He treats eye diseases. When crossing the tunnel, he thought he was blind again and couldn't stand the blow.
That time, his leg was entangled, and he thought it was water grass, so he kicked it away. Now he knows it's his girlfriend.
I thought she really wanted to see that man again. The man came to the funeral to show that he was a relative and friend. If he kills his sister, he will have another funeral, so he can see it again.
I don't know.