It was difficult not to smile at the youngers words, but Derek managed to keep the small, unamused, scowl on his face. Merely raising an eyebrow slightly at the other. Though he didn't pull away. Not yet, anyway.
Hesitating, glancing quickly at the door as if expecting the others to all come barging in. Not that it mattered, they'd both hear the group long before they reached door. Instead, he offered a gentle nuzzle against Stiles hair. Tentative, wary, but nuzzle all the same