True, but now pull that same 63 year old international captain out and put him in a Saab in Memphis in July with a 7 leg day. You'll probably find yourself in a single pilot airplane because that captain just kicked over with heat stroke and a heart attack. Look we all do a job. Some things are very similar some are different. Personally you can keep your long haul international flying. I'll be very content to finish my career in nothing bigger than a 737 or A321 and never leave North America. But that's just me. I have no desire to spend 13 hours at a time running a whale between the US and Japan.