Expiration dates a novel

"Daphne Bell believes the universe has a plan in store for her. Ever since she was young, whenever she met a new guy, Daphne would find a slip of paper with exactly how long they'd spend together--4 months, two weeks, one night. That's how she met her ex-boyfriend and current best friend, Hugo, the only person in Daphne's life who knows of her secret. Followed by a string of men and countless dates, Daphne resigned herself to the fact that she wa...