Sam's hands ran along Ruby's hair as he stared into her eyes trying to foucs her. And she knew. This was about trust, her trust in Sam never to hurt her, because he was about to do something. Something she had been thinking about since the last time he'd done it. She'd felt so loved when he'd touched at the demon she was at the core, so safe, protected. All that power he possessed, and he bent it to his will to help her. To make her feel safe. All of it
"I'm not afraid. I trust you Sam."
She felt it, the tentitive exploration of her mind, he was a little more knowledgeable than the last time. Knowing where to find her. Knowing how to make her feel. Protecting her, guiding her, loving her. And here his motive was simply to make her feel better, calming her down.