Now Cleese is one person I have had a beer with more than one in fact
Jump over to the SB forum and there is a thread on stretching. That and improving your flexibility is another thing that is very important especially at a later age. You muscles will naturally shrink with age and also become 'stiff' if not used hence loosening them is very important to maintain your agility and movement.
close ????? pfffffft kids follow you in the streets because of the Gold that drips from your armpits