When Lu Weiran met Xu Huan for the first time, he thought she was too involved.
She said: "My hand is useless, don't cry to me."
When they saw each other again, he held the rock sugar snow pear and obediently stretched out his hand: "Doctor Xu, let's do it."
She was his attending physician, but he was her incurable disease.
Prevent it before it happens - she didn't guard against him, and he didn't guard against her heartbeat.
Purpose: Healing