With so much that they can do and create, time passes, but they don’t have the same sense of that. The diary interface and the dated memories tell them how much time goes by, but as the years mount, it really doesn’t feel like it. They observe from the memory dumps that their corporeal halves are showing the telltale signs of aging, but interestingly, their other halves’ self-perceptions are still of a young couple in the prime of life. That’s exactly how their own bodies appear. They can make themselves look however they please, after all.