Yes, it is very normal for them to announce to the world that they are separated and what better place, but all of the internet communications, i.e., instagram, facebook, etc.
During MLC, they can exhibit signs of various personality disorders. If your h didn't exhibit them previously, then he may not be a narcissist. I would suggest you read up on the disorder...but try not to put a label on his actions until you are sure he was this way prior to the crisis.
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.
