Couple's purpose in life is to visit every Whataburger

Whatajoke?? Hardly. Karl and Carol Koepfner are perfectly serious in their quest to dine at every Whataburger franchise known to man -- 735 spread over 10 states to be exact. The Texas couple has been at it a year, since not long after they were named the burger chain's biggest fans for a 400-word essay Karl wrote claiming they'd "never eaten a better hamburger." They're not even using the $8,600 in Whataburger gift cards they won in the contest, handing out many of those to the homeless and needy. Somehow, Karl has managed to lose 20 pounds during this whole mission.