1) In preindustrial Europe, the nuclear family was most common and people typically married late, usually in their late 20s, after they could financially support themselves.
2) Both girls and boys would leave home to work as servants or laborers, gaining independence but also facing exploitation, especially for girls and servant girls.
3) Rates of illegitimate births were initially low due to tight community control over premarital sex and adultery in rural areas, but rose in the 18th century as industrialization allowed for more independence and freedom from such controls in cities.
4) Literacy rates rose rapidly from 1600-1800 promoted by various groups, allowing common people access to Enlightenment ideas