Ithinkisee--- I swear they must have studied for this conversation at the bookstudy this week. I got pretty much the same phone call from my sister this week! You are not alone. She is my only sibling and never cared for us either when we were in the "truth" lie. I feel bad for you.
I am imagining it's not that great of a loss to you either, but emotionally it is the straw that breaks the camels back. They want you to listen to the brainwashing quips that they rattle off (that we have all heard hundreds of times) and not listen to why you left or care to ask how you are and can they help. I got the brush off "I'm better than you and will never talk to you anymore" phone call too. They can't see past their nose they are so afraid of losing their faith. And for good reason. It hurts to find out and you die a little inside before you can grow again.
I hope your christmas was beautiful with your dad. I was about 8 the last christmas I had with mine. My hubby and kids had their first one too! I wish I could have celebrated with my dad again, but we live far away too! Look at the bright side of all this, our kids are getting to have "normal" childhoods and see the terrible things that the Watchtower Society does to families. I am hoping this will be enough to keep my kids far away from cults and the next generation will have it even better!
On a side note, I am keeping all the "encouraging" letters and cards from family and friends to share with my kids later. I figure there will come a time that grandparents or aunts and uncles will pressure them to join and I can use these and the false "light" that will change by then to show them what a crock it is. "Spiritual warfare" isn't always on their side! Thought I would share that in case you would need them later too.
Merry Christmas, Happy New Year, and a happy Valentines Day to you and wifey! (Last year was our first and hubby went all out to make up for all the ones we missed! What fun!)