Well, only that one time he lost that bet with Batman.
And if he had won the bet, what would Batman have to have done?
BATMAN: I don't take bets I could lose. I'm Batman.
VirginiaR. "On the long road, take small steps." -- Jor-el, "The Foundling" --- "clearly there is a lack of understanding between those two... he speaks Lunkheadanian and she Stubbornanian" -- chelo.