"Oh." The weird thing was, no matter how much Alec heard about that kind of thing happening, first from Clint and now from Peter, it still startled him every time. It was difficult for Alec, who'd been raised to protect his siblings no matter what, to wrap his head around the idea of not being close to family. "I'm sorry."

He fidgeted a bit, just enough so that someone who was especially perceptive would notice.