He conservatively estimated he has eaten 12,000 Big Macs in the past 30 years.
He started eating Big Macs when he began his sales career, he said. He has been working as a salesman at R.C. Willey for most of his professional life.
For the past 20 years, he said he has been eating at McDonald's at least 10 times a week and he never gets tired of it.
"I look forward to going to McDonald's every single time," Rosinlof said.
On Mondays he said he stops by McDonald's on the way home from flying planes. He eats one on Wednesdays and two a day on Tuesdays, Thursdays, Fridays and Saturdays. On Sunday, he said he takes a break.
Rosinlof's wife of 37 years, Lauri, is a registered nurse. She and their kids encourage him to eat healthier, but at 64 years old, six feet tall and 165 pounds with a cholesterol level under 200, they said they let him be himself.
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