In article ,
Lab Lover wrote:

Yeah, pain is a fairly nebulous condition, it might be difficult. However,
if
someone is in pain when they walk, they are usually going to walk slowly and
gingerly. If someone bounds out of their vehicle and runs into the 7-11 for
a
pack of smokes, they might be considered suspect.

Or just having a good day. Besides I can be pretty frisky for a few
feet, sometimes.
--
"Statistics are like bikinis. What they reveal is suggestive,
but what they conceal is vital."
-- Aaron Levenstein