Crumbs populated his keyboard, slipping between the keys, forcing him to ponder, what did I eat and when did I eat it?
That made him hungry. He attempted to pick some crumbs up for closer examination, and perhaps to taste — just for investigative reasons, of course (that one looked like it may have come off a chocolate-chip cookie) (when did he eat a chocolate chip cookie?) -but the crumbs fled his efforts like kittens scattering at a noise, undermining his investigative process.
It did promote a greater appetite (if he trusted the messages that his stomach was issuing). Nothing healthy was offered for sale here, and he didn’t want to leave to eat somewhere else. Therefore, his logic forced him into a less healthy choice, which turned out to be a raspberry scone.
It was just a one-time deal, he told himself, so it would do no lasting harm.
He blamed it on the crumbs.