51.   It is one of the first attributes offered or asked about when discussing someone new, particularly a person of the opposite sex.

52.   It makes perfect sense, because your smell can reveal a surprising amount about you, especially to the opposite sex.

53.   It notes that marriages must be between members of the opposite sex.

54.   Judging from my experiences with the opposite sex, an all-female Army-Navy-Air Force would be a formidable fighting machine.

55.   Kids probably worried about sudden zits, the opposite sex, the right clothes.

56.   Kids usually get jacked up over sports, music or members of the opposite sex.

57.   Kris and John got older, started school and joined basketball teams and discovered the opposite sex.

58.   More recently, companies have ruled out travel involving two colleagues of the opposite sex.

59.   Most same-sex parents say they make a special effort to ensure that their kids learn to relate to adults of the opposite sex.

60.   Militants overrun areas where people tend to mingle with members of the opposite sex or engage in other suspect activities.