Chap.1
So a couple will be separated for a while. However, they can record each other and make memories for each other while they are separated.

Chap.2
Months have passed with the continual passing of video mail. It's not like things will change or escalate.

Chap.3 (Conclusion)
So the lead in the story wishes to forget about his cheating girlfriend. But, he cannot. If trying to get her to answer to his questions, maybe he can look one more time and see what is it that she wants or want he should do now.