Trusting, I am sorry that your xh didn't attend your little girl's Christmas play. He sure missed out a very good memory and his little girl will always remember that.
Your little girl is very wise for her age...enjoy the time you spend w/her for she will be grown and off to college before you know it.
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.