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" They stared at her curiously, and she caught snatches of conversation in two or three languages. It wasn't hard to guess their content, and she smiled a bit primly. Youth, it appeared, was full of illusions as to how much sexual energy two people might have to spare while hiking forty or so kilometers a day, concussed, stunned, diseased, on poor food and little sleep, alternating caring for a wounded man with avoiding becoming dinner for every carnivore within range - and with a coup to plan for the end. "
― Lois McMaster Bujold , Shards of Honour (Vorkosigan Saga, #1)