There is no difference between the two of them when they stay together. Maybe it's because they feel like there's something in their hearts that they can't express, and they feel so separated.
Why are you back?
He failed the exam and was dropped out of school.
Will you be kicked out of school? ... Then don't leave, right?
Um.
It kind of sucked at the beginning, but got better later on.
Purpose: Change the destiny of the other party