As a teenager, I was pretty lazy when it came to doing things for my family. I worked hard at school, and sometimes looked after my younger sister. Still, I found myself regularly resisting the urge to   1   out at home with even the simplest things.

Every Wednesday afternoon, for example, my mother    2    me to another town for a piano lesson. During my two-hour lesson, she'd rush to the nearby store and buy a week's worth of   3   . Given the fact that my mom had driven me twelve miles there, twelve miles back,   4   for my lesson, and bought me a candy bar, you'd think I'd be very   5    to help her bring the groceries into the house.   6    I wasn't. I generally just brought in an armload and left the   7    for Mom as I ran to my room, shut the door, and started studying.