"I will keep that in mind." But preferably he won't have to try and mimic all his behavior at all. The 'teleport when he doesn't want to deal with something' is something he will pointedly remember.

"Once we have our hour of freedom, we should tell them--directly, and emphasize the need to cooperate lest we lose anyone else." Cooperate with the Prince and the Nightrunners. If they don't endanger themselves, it gives the Nightrunners more time to spend looking for the lost instead.