I suppose the experiment made literal something that was already there. We were all very close before, and even closer after. Once, Leonard--Dr. McCoy--and Jilly both took me captive for a camping trip, which is essentially to sleep out in the wilderness for fun. Evidently it's something you do with your siblings in your century and after.

[He leans against the bar and orders a brandy.] It took a bit of getting used to. We slept in very long, narrow sacks that didn't accommodate the wings very well.