And for once is wasn’t some form of VD. On the set of Guy Ritchie’s film, Robert was puffing away on the trademark pipe favored by his character Sherlock Holmes when an ash sparked on his pants. According to a witness on set:

“Robert leaped from his armchair and jumped up and down, slapping his crotch and howling, ‘Oh God, I’m on fire!’”

I’ve heard that the same thing used to happen a lot when Meg Ryan was dating more.