[from here]

People darted in and out of the blocks; women heading out, men heading in. Sexual segregation, whether in the bedrooms or the showers, didn't make much sense. Then again, Taura wasn't sure she'd run across a social etiquette rule that made sense. Humans balanced illogical against irrationality and tied it into a coherent whole with arbitrary gestures.

Somehow the whole system worked. Except when it didn't, which was what mercenaries were for.

[skipping a hall to here]