After the power went out, the boy sent a text message asking you to add him.

In fact, the reason why we have always been friends must be more or less beneficial. However, because of time and some deeper understanding, the idea of blackening him came into being.

Since one number can not black another number, maybe I really don't know it's him; Maybe I think it doesn't matter if I put it there as long as I don't chat; Maybe there are some other possibilities!