His cheeks darken again when she rests against him, but he doesn't try to dislodge her. Instead, he continues to stroke his fingers gently along the back of her neck, half-worried that he might lull her to sleep like this.

...It would be a simple matter to lean down and press his lips to the top of her head, but he couldn't bring himself to do so, not yet. Not when he still couldn't predict how she would respond. A pause, his fingers tracing light circles against the back of her neck, before he murmurs as a quiet question, "...Why did you kiss me, before?"