Chen Er went to the Wei family to visit old friends on behalf of his grandfather, and met Wei Chengshan, the grandson of Wei's parents.
With the contact, Chen Er felt more and more that Mr. Wei was a very good person.
One day later, Chen Er found photos of himself as a child at Mr. Wei's house, and realized that they had known each other for many years.
The author's writing is not good and he is relatively self-aware and well-known.
Intention: Don't forget your good friends.