answer: Kevin got divorced because his wife always complained that his salary was too low and got no promotion.
documents: #Person1#: I heard that Kevin got divorced. Is that true?
  #Person2#: Not so bad, but Kevin does have problems with his wife.
  #Person1#: What?
  #Person2#: His wife always complained that Kevin's salary was too low and got no promotion.
  #Person1#: Poor Kevin, we should do something for him. He is a nice guy and does his job well.
  #Person2#: Yeah, I agree with you. But you know, it's just one of those things.