I wish I could be a fly on the wall when you help your daughter through this. I think I would learn some parenting tips I could use with my child with social anxiety. (I don't think he's an introvert, but maybe. Can you be a talkative introvert?)
Me: 44 H: 44 Kids: 20, 16, 16, and 10 Together/Married: 22 years H announced he was emotionally detached and considering D: 4/4/16 H announced he is going to try to stay and reconnect: 5/1/16