She fell in love with a name: scandal and conversation made him irresistibly attractive.

ALGERNON. But how did we become engaged?

CECILY. Well, ever since dear Uncle Jack first confessed to us that he had a younger brother who was very wicked and bad, you of course have formed the chief topic of conversation between myself and Miss Prism. And of course a man who is much talked about is always very attractive. One feels there must be something in him, after all. I daresay it was foolish of me, but I fell in love with you, Ernest.