You do just have to put your head down and gut it out sometimes, especially while you are working on detaching. It will come with time.
GAL'ing with others is a great ides. Both with your D and occasionally without. Let your W be the one seeing you leave for the evening and let her wonder where you are going and who you are with. What's good for the goose...
I know it's hard right now, but you can do this. Once you detach, you will look back and understand why it is so important.
