We've been exes for about 6 years, he was always flaky and had a few periods of him going awol but I tried so so hard to keep a relationship between him and the kids going, however he moved back to where his parenrs are (200 miles away) about a year ago and hasn't seen them since. He kept up with phone calls initially but went awol over Christmas and obviously the dc are upset, they are 8 and 11. I'm not sure how to deal with it, I'm so angry at him and sad for them, it would almost be better him he was dead, I know that sounds awful.