He could feel the stiffening, the tensing of her muscles as his arm settled around her. But he very carefully didn't react at all. Just situated himself more comfortably, his thumb rubbing against her bare shoulder in a gentle, circular pattern. He glanced down at her as she relaxed and smiled just a little.
"For telling me." He replied quietly, his eyes staying on hers. "For trusting me." His head tilted just slightly. "For coming back."