He knows football. He knows winning ... and Coach Bobby Bowden also knows MARRIAGE -- which is why our photog listened up when the guy gave him relationship advice RIGHT ON THE STREET.
The college football legend -- who just released a new book "The Wisdom of Faith" -- knows a little something about the topic ... he's been married to the same woman for 65 YEARS!!
So, ya gotta hear what he tells our TMZ Photog when our guy asked about the pressures of saying "I Do."
Bonus -- We also asked Bowden if he ever got tired of getting splashed with the Gatorade bucket after winning so many championship. Ya gotta hear his answer.
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