She didn't believe that. They'd only been friends for a couple of months. "Yes, that must be it exactly," she replied, rolling her eyes a little bit before leaning towards him to claim some of the smarties he was sharing.
"Don't worry, I'll clean it up. I wouldn't have had to have wasted any if you weren't being such a prat, you know. So I blame you entirely. All your fault," she determined with an impish grin.