Gwen is correct in the fact that it's a form of manipulation. Why? Because he knew that your youngest daughter would come home and tell her sister what he had done. He wants a reaction and he's being a bully and vindictive because his oldest daughter is wise and on to his antics. So very childish.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.