Most people who resort to such foolish rationalizations cannot even define what behavior is properly; is it the manner in which you present yourself, regardless of your character? The fact is, your "behavior" is largely irrelevant to your success within the current superficial dating market, and ironically, when it does hold slight influence, it is behavior that is more strongly associated with dark-triad traits that can improve your success. If behavior were truly the crucial factor, rapists would not have higher consensual sexual success on average, but they do.