It was easiest for him to explain as he went through the process himself. As a result, Krishna's own skin had darkened and taken on a bluish hue. It also helped for him to be completely open; in the rare case something went wrong, he would be able to quickly take control of the situation.
He didn't need to, though. Datura was committed and focused. He beamed at her as she opened her eyes. "Did you doubt it would?" "His knees bounced with excitement. "This is a good look for you."