expected response...but the point was that many teachers choose to retire early, and on the whole their bodies are fine.

As I understand it, Boudi - and don't think I'm getting at you - some research has shown that it is often teachers and civil servants who seem to die quicker following retirement.  Can't remember exactly where I read this, but it was in one of the Welsh newspapers several years ago - and was based on responses from Welsh healthcare providers.  I think the assumption was that it was this kind of person who tends to 'turn off' quicker, whereas those who have been accustomed to physical work tend to keep up with it, by gardening or other such activities.  Often, according to the research, teachers were dying within 5 years of retirement.