Didi gulps a large bite of the most delicious food she's had since leaving the Oasis and groans softly to herself as her stomach protests that newest morsel. Her grandparents smile with indulgent kindness while she helps herself to yet another serving of the sweetest, most decadent delight that's ever passed her lips.

She feels her cheeks tingle in response as Emily nods at the large slice of moist, dark yumminess that's topped off the best meal ever. "It's called chocolate ...