Serenity looked shell-shocked, and Crystal could tell that her friend was struggling - and failing to find the right words. Then, suddenly, Serenity looked past Crystal, and her eyes lit up. She raised her hand and shouted, “Hey, Professor Davis, what a coincidence.”

Her trick didn’t work on Crystal, though, whose eyes remained fixed on her face.

Serenity sighed when she realized that her trick hadn’t worked. She frowned, lowered her head, and whispered, “I’m sorry, Crystal. You are ...