‘At 81, the man who pays the Bills hasn’t lost his sense of humor, and that’s good because you need one to survive in a business that can be just a kickoff return away from breaking your heart. "Sometimes you have to laugh in order not to cry," says Wilson, one of the National Football League’s most respected owners. Such an attitude will come in handy during Sunday night’s season opener against Tennessee at Ralph Wilson Stadium because the Titans’ visit is sure to conjure memories of Buffalo’s devastating loss to them in last January’s AFC wild-card game in Nashville. "Worst defeat I’ve experienced in 40 years of football," Wilson says. "Worse than any of the Super Bowl losses."’