"As long as there is a share of mine from now on, there must be a share of you."
This promise was so weighty at the time, and when I think about it later, it still makes my heart warm.
Concept: We must have done a lot of things when we were students that we have never done as adults. No matter whether they are good or bad, these things will be the best memories, and the people in the memories are the best people.