It started because she passed so close to some workmen that our fender flicked a button on one man's coat.

“You're a rotten driver,” I protested. “Either you ought to be more careful or you oughtn't to drive at all.”

“I am careful.”

“No, you're not.”

“Well, other people are,” she said lightly.

“What's that got to do with it?”

“They'll keep out of my way,” she insisted. “It takes two to make an accident.”

“Suppose you met somebody just as careless as yourself.”

“I hope I never will,”