answer: #Person1# worries about #Person2# because #Person2# is not in the mood.
documents: #Person1#: What did her boss say to you? 
  #Person2#: He asked me to beef up in the work. 
  #Person1#: Yeah. You look so unhappy recently. What's the matter. 
  #Person2#: Nothing, thanks. I am just not in the mood these days.