Why Sandra Bullock and George Clooney Never Dated

"I think we’re probably the only two that haven’t dated in the business," Sandra Bullock said of her Gravity costar, George Clooney, to Jay Leno Friday. She and the actor have been close for many years, but have never been linked romantically. What prevents the spark from igniting? Leno tried to probe.
"I think it’s because we’re a little too similar…in all the disturbing ways," Bullock finally hinted. We can only imagine what that means.