answer: #Person2# tells #Person1# #Person2# is so happy because #Person2# thinks #Person2#'s in love with Jenny who sat next to #Person2# in math class.
documents: #Person1#: You look like being on cloud nine.
  #Person2#: I am.
  #Person1#: What has made you so happy?
  #Person2#: I think I'm in love.
  #Person1#: Are you? Who's the lucky girl?
  #Person2#: Her name is Jenny.
  #Person1#: How did you meet her?
  #Person2#: We are in the same math class. Our teacher sat us next to each other.
  #Person1#: What do you like best about her?
  #Person2#: She's very funny. She makes me laugh all the time.
  #Person1#: I guess it was fate working to bring you together.
  #Person2#: Whatever brought us together, I'm happy.