He

His father got cancer.
Maybe it has developed to the final stage.
He hates his father so much that he almost didnt talk with him at all.
But now, it is too late to do any talking.
Sad, confused, regret .... can be the wording for his feeling now.
There is nothing we can do, I said at last.
Then the conversation turned to silence.

生離死別 actually is not far away from us.
Are you prepared?