So glad to see you went on the vacation w/o your H. I think it's important to make your own memories with your kids. Believe me, they will remember and appreciate your efforts as they get older. Bravo to you both!
As my H became less and less interested in being with us, I started taking my kids on our own vacations. These are some of my best memories.
Skhdive your statement is so spot on "yes we both missed H but I think we do so from the past memories of H not the most recent H".
Keep making those new good memories for your kids.