Derek glared at him, as he was wearing a black shirt with dark blue jeans and a leather jacket on top. Was he saying he didn't like his outfit? Derek felt like he should be offended.

"Can you hear my heartbeat? Do you get hungry when you hear it?" he asked, needing to know. He wanted an idea of how bad this blood lust would get, how hard it'd be to control. They might do to keep Stiles away from the public for as long as possible, but he'd need to see his father sooner than later.