He cannot lie, but he's not sure how much longer he can keep the truth from Izuminokami, either. (Flustered is right.)

He ties the tight bow, finishing the ponytail. And... he was going to do it anyway, but now it almost feels like he's buying himself time as he takes up another strip of fabric to bind together the ponytail half-way down. A smaller area for his hair to rest against his back.

"Thank you for saying so. I am certain I can trust your sense for style. But I should not take more of your time than I have."