It wasn't so much the relentless pace as the monotony. Today had been particularly repetitious, and the countryside particularly rough and hilly. Finally, one spoke up, "Hang on, I've got a stitch in my side."
They stumbled to a halt, panting, "Ya know, I recognize that rock." One finally gasped out.
The other peered at it, frowning, "Yeah, third time this morning."
"He's on a roll. Think he'd notice if we sat this one out?"
The other snorted, "Wanna bet?"
"What'cha got?"
"Rabbit. You?"
"Three fish cakes."
"Deal."
They shook hands and went to relax on the rock to wait.
