I hear you. She will feel it eventually. She might feel it now but is good at hiding it. WAS check out long before they leave so they already know what's coming and have already started adapting internally.

Use this as a time for you to really hone the Mr. Mom skills and be there for your kids. They are 11 and 7 so will not only remember what you both do now for the rest of their lives, the love and support you give them will make a major impact on how they move forward in life. Make sure you knock it out of the park for them. You are the most important person in their life right now because you did not leave. You are there. I think that's pretty awesome of you.