In the smoking-car the conversation turned to the merits and demerits of various ways of preserving health.One stout, florid man held forth with great eloquence on the subject.©JOKEDEMO.COM

"Look at me!" he said."Never a day's sickness in my life,and all due to simple food. Why, gentlemen," he continued, "from the age of twenty to that of forty I lived anabsolutely simple regular life no effeminate delicacies,no late hours, no extravagances.Every day, in fact, summer and winter, I was in bed regularly at nine o'clock and up again at five in the morning.I worked from eight to one, then had dinner--a plain dinner, mark my words,after that, an hour's exercise, then.."©JOKEDEMO.COM

"Excuse me, sir," interrupted the facetious stranger in thecorner, "but what were you in prison for?"