answer: #Person1# and #Person2# are recalling the past. They still feel happy as a family after getting married for 20 years.
documents: #Person1#: How time flies!
  #Person2#: Bill and Betty have already grown up.
  #Person1#: I can still remember our first date.
  #Person2#: Look at that big tree over there.
  #Person1#: Yeah, oh my god! It's still there. We have our first date right on there.
  #Person2#: Do you know that I fell in love with you at the first sight then?
  #Person1#: You seemed to be dull at that time.
  #Person2#: But you agreed to go out with me at last.
  #Person1#: ( Smile ) I can't believe this for it's been 20 years since we got married.
  #Person2#: So do you feel happy now?
  #Person1#: I couldn't have been any happier!
  #Person2#: Of course, we are the happiest family in the world.