Why do dukes fall in love

Summary: "Michael, the Duke of Hadlow, has the liberty of enjoying an indiscretion...or several. But when it comes time for him to take a proper bride, he ultimately realizes he wants only one woman: Edwina Cheltam. He'd hired her as his secretary, only to quickly discover she was sensuous and intelligent. They embark on a passionate affair, and when she breaks it off, he accepts her decision as the logical one...but only at first. Then he decides to pursue her. Michael is brilliant, single-minded, and utterly indifferent to being the talk of the ton. It's even said his only true friend is his dog. Edwina had begged him to marry someone appropriate--someone aristocratic...someone high-born...someone else. But the only thing more persuasive than a duke intent on seduction is one who has fallen irrevocably in love."--