That's why you all are young!!!
And the aged, like me, cain't get around as fast as we use to...
No actually, that's why you see folks droppin' off like flies with heart attacks--'cuz not everybody is built the same...
Some folks can handle the pressure, others cannot and dropout. In the long run, will it truly matter? I dunno. But, to you all, I would say, does it make you happier? Is it getting you where you need to go in life? Basically, is it worth it?
There is this whole area in the National Institutes of Health call the National Institute of Environmental Health. It is dedicated to understanding the genetic discrepancies that would cause one to be able to "burn candles on both ends" whereas another person could not... And there are these little discrepancies observed within populations... Whether they mean anything is still debatable (sp.)...