Line Up And Serve

"Line up!" The instructor is never gentle. We rush to form a line, some thirty boys dressed in white, all blond, blue-eyed.
"Today I'm gonna select one of you for special service!" We quiver. Those who go to serve rarely return.
When he calls my name, only the fear of him keeps me from crying.
They escort me to a manor. I have been purchased to please, the mistress informs me, and though her hands and lips are soft, I almost miss the instructor's harshness. That, I could understand. The things the lady does to me, I fail to grasp.