answer: Lily is sorry for being strict with Calvin when it comes to money, Calvin is also sorry for always spending.
documents: #Person1#: Calvin, how much money did you spend last weekend?
  #Person2#: Lily, I'm not sure. Let me check, I think I spent $ 50.
  #Person1#: Why don't you help me save money? You are always spending money.
  #Person2#: I know that I should learn how to save more, but I hope that we can spend a little on ourselves sometimes.
  #Person1#: I'm sorry. I guess I'm too extreme when it comes putting money in the bank.
  #Person2#: That's okay. I'm sorry, too. It's a good idea to prepare for the future possibilities.