Unfortunately for him, combing it didn't make much of a difference. He'd learned to give up on it a long time ago, and strangely enough, his hair was never long enough to get matted. They were soft curls.

"Young, hot-blooded shinobi also fail to differentiate a compliment from criticism." He grinned. It was gentle criticism, too. Also, since when did he get hit in the head so often if he was usually too fast for most shinobi to make physical contact with at all?

As for war-- yes, he did see his share of horrible things. Some of them were too personal. "Yes, counter-attack. I want you to be able to counter the sharingan at the end of your training. Perhaps..." He shrugged, as if it was no big deal. "Even some advanced techniques." Never specifically uttered the word Mangekyou sharingan, but it was implied.

As for countering the Mangekyou, Shisui had his own theories that he was eager to test out. And her doubt was something he wanted to quell.

"This technique. Does it require prior knowledge of a person's fears or does it do the work by itself?" It intrigued him in that it resembled almost the opposite of a forbidden jutsu special to the Uchiha clan.