I don't know if EA1 will be on the trip. I don't know anything about what is going on w/ the EAs since I have stopped my snooping.
It doesn't really matter if they are going or not. He has ample opportunity to spend time with them since you separated, and it doesn't seem like he does a whole lot of that.
I get the impression that both your H and my W are perfecting the art of fence sitting.