H moved to another region with OW. He has no interest in DD4 and has only seen her twice this year. His calls are also very inconsistent, sporadic and often doesn't call when he says he would. We've not divorced yet, as he is refusing to do so.
I'm going on a long-haul holiday with DD (will be celebrating her birthday abroad) and I am not planning on telling him. He's shown me on so many occasions, he doesn't care about her and will most likely not want to be with her on birthday.
AIBU?