answer: #Person2# tells #Person1# that #Person2# looks miserable because of their marriage.
documents: #Person1#: What's the matter with you then? You look miserable.
  #Person2#: It's us.
  #Person1#: What do you mean by us.
  #Person2#: Well, you always say you're busy.
  #Person1#: That's right.
  #Person2#: And you often go back to live with your parents and leave our son in the room by himself.
  #Person1#: I. . . I. . . I miss my parents, also they miss me.
  #Person2#: Oh I remember, I cut terrible calls, and you didn't say anything about it.
  #Person1#: You mean I am groaned a few words?
  #Person2#: Totally not. Perhaps it's about our marriage.