The cloud was about the size of a car by the time it was floating over Lover's Leap, the town's notorious make-out point. It had already transformed a number of sleeping households and was slowly making its way over the suburbs.
Below it was a dark green convertible. Its roof was down and exposing a couple of exposed teenagers in a loving embrace. Easy prey for the cloud. It enveloped them both and set to work. Like the listeners of a shared wish, the cloud engineered it so these smitten teens would remember both their own prior reality and that of their lover's.
Their lips locked and their attention fully on each other, Sarah and Biff initially noticed neither the cloud descend around them nor the changes coursing through their bodies...