The sound, and returning the kiss were both the best kind of encouragement, the kind that didn't have anything to do with 'I trust you' or 'you can do this', but that non-verbal, 'that feels good', unable-to-keep-quiet response was probably the best thing Steve could have done just then whether he knew it or not.

He did, finally, angle his head down a little, brow resting against Steve's, having to break the kiss just so he could catch his breath again, realizing belatedly that his fingers had curled against the nape of Steve's neck, not letting up, though he did relax his grasp once he realized, murmuring a quiet: "Sorry, too hard?"