"I don't know," Abby said, shrugging, shaking her head and dropping her gaze to her hands. She knew, of course, exactly what she meant. It had been a pact for the both of them. They'd meant to go together. They'd always done everything together: birth, life, why not their deaths? But instead, she'd chickened out. Fucked it up. "I'm just not supposed to be here."