Why hadn't Amanda succeeded in evolving?

Ray thought it over carefully. After all, with his intervention, Molly, Jess, and Emily had all progressed smoothly. Why had Amanda failed? Where had the process gone wrong?

He pondered the question deeply.

"Did I make a mistake somewhere?"

He retraced every detail in his mind, but shook his head. No step had been overlooked. He couldn't have been distracted simply because Amanda wasn't his favorite—he treated everyone equally.

If he had been biased,