“After a 50th reunion for business school made him “very neck-conscious,” Douglas Weil, 74, signed up for an isolated neck-lift in November with Dr. William Y. Hoffman, the Professor and Chief of the Plastic surgery division at the University of California, San Francisco. “It was one of the last things I ever thought I’d do,” Mr. Weil said, adding he hasn’t thought twice about his baldness. But now he’s thrilled with his sleek neckline, he said, and even told his rabbi about the surgery. The rabbi’s retort? “What men do to please their women!”