I'm glad that you were able to pick yourself up and brush yourself off, Brambledog.
I think we are all entitled to a little pity party now and again. What sets us off can be something expected (like a holiday spent alone) or unexpected (like that tv show). You have to acknowledge the feelings to begin to deal with them to try to move forward.
It looks like you figured out the important trick of not getting "stuck" in the wallowing stage. BTDT....and it doesn't work
I like Catra's boyfriend's rule.....a one day timelimit