she lists aloud everything we currently have for the trip : the half of a snickers that ben was eating when i called about margo ; the 212 beers in the back ; the directions i printed out ; and the following items from her purse : eight sticks of wintergreen gum , a pencil , some tissue , three tampons , one pair of sunglasses , some chapstick , her house keys , a ymca membership card , a library card , some receipts , thirty-five dollars , and a bp card .