We had guests this weekend: 7-year-old Ella and 5-year-old Fin. (And their parents, of course, but that hardly matters.)
They discovered toys in the boys' room that hadn't been played with for several years. I'm sure their parents were happy to see our cache of toy swords and portal guns.
Ella loved the bunk beds and used them strategically.
Samuel introduced Fin to the wonderful world of Minecraft, then showed him how to do science experiments.
It's fun to have kids in the apartment, to hear shrieks and squeals, to clean up glue and glitter and little army men off the floor after they leave. I think Samuel feels the same way; he and I would be happy as clams running an orphanage.