Sarcasm to start out with and then, later, there would be anger or tears. It was a bit easier for Stiles, he'd known what was out there.

"That's why I offered. It would absolutely do that for you if you're anything like that pathetic breed," Derek said, more aggression in his voice than before, but no real anger. He made it his business to read up on all the lore about werewolves, even down to the pop culture. He wanted to know what society expected so he could stay in their blind stop.

"I need you to walk with me and just let the light of the sun barely touch you. We need to know your limitations," he said wondering what Stiles would think of the 'we' included.

He turned without an answer and headed to the door, towards the light outside. He opened the door and let the the sun in.