On the therapeutic powers of celery

So we're at my brother-in-law's house, eating breakfast. My nephew is watching "Wonder Pets," a preschool program concerning the adventures of a photorealistic duck, turtle and guinea pig. Said critters are helping a puppy make it through a doggy door so that said pooch can go pee. All four animals make it outside and relieve themselves simultaneously. Following, one animal grabs a vegetable, starts to eat it, and utters the immortal line:

"Celery is great after a good pee!"