<blockquote>Chaeeunshinji was seventeen, and I was thirteen. Just going by years alone, she was way older than me, but that kind of comparison didn’t really mean much: the planet where Chaeeunshinji was from and the one where I came from each had slightly different rotational and sidereal periods, so that the relative lengths of days and years on those worlds worked out to be just different enough to be confusing.
“Well, technically I’m in my late teens, but you’re just a little kid, so officially I’m your big sister.”
“But who would go by that? If you count by wake-sleep cycles, I’ve lived longer than you!”</blockquote>
