Why does Lin Dawei often change his toothbrush in the TV series Pi?

Changing toothbrushes is an old meme, and the drama adapted this meme.

Some people speculate that Wang Shengnan, who has a volatile temper, may use her husband's toothbrush to clean the toilet every time he is angry to vent his inner anger and dissatisfaction. But she is also a mysophobic person. Once she is angry after cleaning the toilet, she will replace her husband's toothbrush with a new one to avoid disgusting herself and others.

In this drama, Wang Shengnan is also a very conservative and mysophobic person. On the first day when he sends his children to school, Lin Dawei says a few words to other parents, and Wang Shengnan will talk about it. Only talk to others if they are beautiful. Wang Shengnan changed her husband Lin Dawei's toothbrush many times. Lin Dawei, who is relatively casual and Buddhist in life, was very puzzled by this. He once complained to his wife, "Why do you keep changing toothbrushes when you have nothing to do? Isn't it a waste of money?" ? Such questions.

But no matter what, when a family lives together, they must understand and tolerate each other. Otherwise, the rhythm will be disrupted and the family atmosphere will be disrupted by some small details of life. Just look at this little thing. The way they get along with each other is one of mutual humility and understanding.

And every time Wang Shengnan changed Lin Dawei's toothbrush, the sound of flushing the toilet would come out, which further confirmed that Wang Shengnan used Lin Dawei's toothbrush to clean the toilet. Really I sympathize with Lin Dawei. It’s already very difficult to be caught between Wang Shengnan and Lin Miaomiao, mother and daughter. My toothbrush is often used by my wife to clean the toilet. Of course, the situation of Lin’s father and daughter is really pitiful. One of them was often scolded, and the other was directly vented with a toothbrush. When they met a mother or wife like Wang Shengnan, the Lins and their daughters really found a "treasure".

This is also the reason why it was first said that Wang Shengnan might have used Lin Dawei's toothbrush to blow out the toilet when he was angry.

Looking at Wang Shengnan’s behavior towards Lin Miaomiao after returning from school, a series of things such as not washing her hands before meals and lying on bed without changing clothes touched Wang Shengnan’s bottom line of cleanliness. For such a wife who only cares about her daughter and home hygiene, it is not surprising that Lin Dawei was "replaced with a toothbrush"