What are the funny plots in the novel widowed?

There are many funny plots in the novel Widowed Husband, such as:

-When Yining and Qinhuai finished, they stayed in bed all day because Yining was too weak.

When Yining and Qinhuai are together, some interesting things often happen. For example, Yining will protect Qinhuai with her own body.

When Yining and Qinhuai are together, there are often some interesting conversations, such as "You are my little apple" and so on.