Pain and Jubatus were good buddies. It had started only a calendar-week or two after he woke up with a 5 o'clock shadow that didn't know when to quit; occasional minor twinges, at first, in his lower back and hips. Jay Xavier was intellectually aware of what was happening and why -- knew that his insistence on bipedal posture was going to hurt -- but knowing was one thing, and doing was another thing entirely. Every time he'd considered going on all fours, it had been all too easy for him to co