You are both so lucky to have each other to do this with! I absolutely HATE doing this kind of thing by myself, but LOVE doing it with someone else.
When I was getting ready to retire and had to clean out 7 years worth of books, conference materials and other junk, I just could not do it alone. So I had rotating interns come in, each for a couple of hours, just to talk to me while I went through the stuff and sorted. I also made them haul the bags of trash out! It was the only way I could have gotten it done.