All alone, The MLCer tends to forget to tell us things and yes, they do change many of the bills, etc. w/o telling us. He may not realize you are aware of the wedding and this was his way of letting you know about it.
Sit quietly and the answers will come. Do not contact him for a day or so in order to give yourself some time to calm down. You don't want to do anything you may regret later.
Hang in there!
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.