"My knees hurt, Betty!" said the pigeon to the sparrow...

Percy Peck was almost 23 years old though, so arthritic knees were to be expected at such an advanced age. Most days, it was Percy's right knee that was more hurty. He'd give it a pain number from 0-10, where 0 was no pain at all and 10 was the worst pain imaginable. Happily Percy had never gone above a 7 in his 23 years. 7 was a bad day, but he reminded himself that there were those far worse off than himself. Even thinking that thought often reduced his perceived pain down to a workable 5 or 6...