Properbly because they've known each other for so many years, and had had a brother and sister type  relationship, Lex Oakleigh took Cathy  for granted; to him she was
 just another girl, not to be considered in the same class as his numerous lovely girl-friends. But Mike Winder thought she was special. So why, after all, did it have to be Lex that she fell in love with? After all, he had told her he wasn't free, hadn't he? And it was obvious that at any moment now he would be married to Bebe. What was the use of Cathy hoping...?