His fingers were singed by his stupid jutsu. He had over a thousand jutsu he could use at any time, and he insisted on using that one stupid jutsu and his sharingan instead. It was like he just wanted to hurt himself.
If he were almost anyone else, she'd smack him for that.
Instead, she just sighed, bringing up his hand to focus chakra into it and speed up the healing process of his skin there. When it was properly knit, she leaned down quickly and kissed the tips of his fingers.
"There, maybe now they'll stay intact."