Yes, it absolutely sounds normal to me. A divorce is like a death in a sense. I believe it is natural to continue to feel care, even love, despite knowing that you are doing the right thing. I have tried to shift my focus and feelings to acknowledging that I am honoring myself by divorcing and letting go of a situation that is not supporting my development or my higher self. And you are too.
I would say plan something to mark next Wednesday. Not necessarily a party, but something to mark the occasion indelibly for you, so that you can feel good and recognize that you are growing.