Wearing the mask is very difficult and time consuming. Yes, it is also very tiring....it's hard work for them. Keep in mind, they were the masks when they want others to think that they are fine. You were a safe target for the flip in personality later in the evening.
This link may help some of you with your questions on reconnection:
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.