His first sexual experience was playing doctor when he was 5. Part 1: infancy and childhood: sexual responsiveness in infants. When kids start playing with other kids. Don"t want to overreact, but can"t not do anything. Experts suggest that there are 2 things to keep in mind: it"s natural (don"t over-react), and the parents" response will be the first step in the child"s sexual socialization: sexual socialization of children. Some cultures actively encourage their children how to engage in sexual behaviour: cross-cultural studies: in some cultures, children are: Encouraged to imitate sexual intercourse when playing with their friends. Taught how to masturbate and perform oral sex. If they don"t have these early experiences, they won"t become fertile (capable of having their own children) **important point: children in all cultures must learn appropriate sexual behaviours- different cultures have different ideas about what is appropriate but every child will learn their cultures appropriate behaviour.