It would be great to plan a get away sometime early next year...I know I should have the time. And it sound like you really need to make the time.
I tried to look you up by your name of FB but still couldn't find you...maybe I don't have your last name right. I don't think I have your email address anymore so I can't look you up that way. I deleted one of my email addresses so I'm not sure if which one you have.
I think it will be a big positive step for your H to spend Christmas with your sister. Just go with it and have no expectations. You should all have so much fun with your kids...they are at such a great age.
I am nervous about my H showing for Thanksgiving. We have had some setbacks this week and I'm not sure how long it will take to recover. I posted the story on my thread.