Clearly because there are snacks and candies, Heero.

A man needs fuel to figure out these mysteries, and he's definitely not gotten distracted here with sugary items. Done with his painful mutterings, Duo will finally move to stand, rolling his shoulders as if he's shaking off his still throbbing head with that motion alone. Casually he points to the can Heero's just put down.

"What're you gonna be makin' with cat food, anyway?"