It's like when you take a trip with someone you don't know very well. Sometimes, you can get very close very quickly, but then after the trip is over… - Gabrielle Zevin

Liz looks at the tissue box, which is decorated with drawings of snowmen engaged in various holiday activities. One of the snowmen is happily placing a smiling rack of gingerbread men in an oven. Baking gingerbread men, or any cooking for that matter, is probably close to suicide for a snowman, Liz thinks. Why would a snowman voluntarily engage in an activity that would in all likelihood melt him? Can snowmen even eat? Liz glares at the box.

Memory, you realized long ago, is a game that a healthy-brained person can play all the time, and the game of memory is won or lost on one criterion: Do you leave the formation of memories to happenstance, or do you decide to remember?

That spring, Amelia takes Maya to the drugstore and lets her choose any polish color she likes. "How do you pick?" Maya says.

"Sometimes I ask myself how I'm feeling," Amelia says. "Sometimes I ask myself how I'd like to be feeling.