0 - 7 6 7 . 7 ........ .. Family ▁size ▁ 7 6 7 . 8 - 7 9 2 . 2 ........ Children . ▁Child ▁development ▁ 7 9 3 - 7 9 9 . 2 ........ .. Y outh . ▁Ad oles c ents . ▁Te en agers ▁ 7 9 9 . 5 - 7 9 9 . 9 ........ You ng ▁men ▁and ▁women ▁ 7 9 9 . 9 5 - 7 9 9 . 9 7 .... .. Ad ul th ood ▁ 8 0 0 - 8 0 0 . 4 ........ .. Single ▁people ▁ 8 0 1 - 8 0 1 . 8 3 .... ..... Man - w oman ▁relationships . ▁Court ship . ▁D ating ▁ 8 0 2 ................ Mat rim onial ▁b ure aus . ▁Mar riage ▁bro ker age ▁ 8 0 2 . 5 ........ .... .. Mat rim onial ▁advert is ements ▁ 8 0 3 ................ Tem por ary ▁marriage . ▁Tri al ▁marriage . ▁Comp an ion ate ▁marriage ▁ 8 0 4 ................ Bre ach ▁of ▁promise ▁ 8 0 5 ................ Des ert ion ▁ 8 0 6 ................ Ad ul tery ▁ 8 1 1 - 9 6 0 . 7 ........ .. Div or ce ▁ 9 6 1 - 9 6 7 ........ .... Free ▁love ▁ 9 8 1 - 9 9 6 ........ .... Pol yg amy ▁ 9 9 7 ................ Pol y and ry ▁