Truth told, he's terrified. Everything in his head is still fighting the literal fact that he's in bed with the Devil.

His body, as a start contrast, is fine with this.

"I'll be fine," he looks up at her, kissing the slope of her breast gently before letting his hand stroke lower - caressing her side down to the rise of her hip and then across the top of her thigh. "I want to give you need."

Hesitating somewhat, his fingertips make slow circles toward the warm cleft of flesh under his belly - finding her wetness with a teasing light touch.