OMAHA — Berkshire Hathaway's annual meeting began, as only it could, with musings on romance from Warren Buffett.

“If you're choosing between two very old and two very rich guys,” Buffett deadpanned, “choose the one who is older.”

The audience roared. A video sketch had just played of a woman rejecting Buffett, 85, and running into the arms of his 92-year-old investing partner, Charlie Munger. Now, in riffing on it, Buffett had delivered the first great line of the weekend.