"What's that?" Carrin asked, sitting up straight. "Is there anything you haven't got? Anything you want?"
"No, sir. I've got everything I want." Whenever his son called him 'sir,' Carrin knew that something was wrong.
"Look, Son, when I was your age I wanted to go to Mars, too. I wanted to do romantic things. I even wanted to be a Master Repairman."
"Then why didn't you?"
"Well, I grew up. I realized that there were more important things. First I had to pay off the debt my father had left me, and then I met your mother—"
Leela giggled.
"—and I wanted a home of my own. It'll be the same with you. You'll pay off your debt and get married, the same as the rest of us."
Billy was silent for a while, then he brushed his dark hair—straight, like his father's—back from his forehead and wet his lips.
"How come I have debts, sir?"