But even the two-time Super Bowl winner knows by now how stupid he's been.
The 28-year-old seemed destined for a Hall of Fame career before these allegations. And though they are only allegations -- he's not been criminally charged in either situation -- they have forever tainted his image, and he joins a long and inglorious line, right behind Tiger Woods, of big-money athletes who risk everything and lose much for reckless, fleeting thrills.
Roethlisberger could have done so much good with his money and fame. He still might. But so far, he's been too busy gazing in the mirror to see the opportunity he's about to throw away. What a shame.