>For from the look of it it doesn't look like an exceptionally hard job
Define "hard job". Carrying heavy objects?
Define "hard job". Carrying heavy objects?
Odd hours, sitting too much, inhaling too many exhaust fumes, having people yell at you if _they're_ late.
Sounds like a fairly hard job.
There are jobs stressful on the mind too - and some of them have very low "life expectancies".