"You might be right," Dustin considers with a tilt of his head. "I tend to overthink things a lot, so I might be looking for a diagnosis where one doesn't exist. Oh well."

Then he glances around, eyes narrowing in on the opened bags of candy that others have in front of them.

"I suppose they could be a control flavor, or simply use non-reactive ingredients," he ponders. "Here--try a yellow one. I can't tell if anyone else has eaten them and I need a second data point."