The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair.
How old are you in 9 years ? I think medical timings may change at poss 50.
We have to renew HGV licences every 5 years and lower qualifications every 10 years
Remember anything you read on the internet was probably written by some guy sitting at home in his underpants! Including this !!
Illegitimi non carborundum