Agree!

I'd add one thing to the list for

who are living healthier and longer lives there are a few things they have in common:

• view themselves as healthy; they do not go looking for disease

This would go a long way toward being happy! Seems like the most unhappy among us are constantly worried they've got a dread disease, and go for regular medical tests looking for it. Something is found, a drug is prescribed, and a true disease is thus given.