He can't help the way his heart skips a beat when Derek smiles. Stiles slides into the booth, sitting across from Derek and sets down his cup, toying with the lid a little as he gets comfortable. It feels just as weird as the last time he'd seen Derek and he feels just as nervous, too.
Hearing Derek mention the last time he blurts out the first thing he thinks of. "I'm sorry," he says, blinking. "I handled that... badly. And I'm sorry."