When you're 13 hours away it's kind of hard to bond with children. She probably finds it hard to start speaking to them because, not being around, she maybe doesn't know what to say to them. I hope you give her plenty of news about them :) About not visiting often, it may not be practical for her ... that's a long way and she may not feel up to it. The 13 hours - are they by road, rail or air?
Perhaps she feels that she's intruding when she visits? Could you invite her more often?
Finally, stop feeling bad about this. It has happened to many of us and we deal with it because that is about all we can do about it. Moping and feeling bad are like a rocking chair - they give you something to do but they don't get you anywhere :)
at 9:58 AM on Jul. 8, 2013