'Natural Causes' had to chuckle. Not a bad way to go though although still relatively young. We have a retirement age of 63 and have had a number of medical boarding's amongst the older folk in the 58 to 63 year old range in recent times. I believe that the younger you can afford to go, go.
Night shift/differing time zones and working in a pressurized aluminum tube at altitude must affect your longevity. Not to mention the stress…