When an adolescent boy reached maturity in a matriarchal family dominated by a mother figure, reproductive potential was something to be celebrated and, ceremonies to celebrate good fortune and success involved the selection of womenfolk from the maternal side of the family as partners for the adolescents initial acts of coitus.
母系家族の代表である母親が、男児が成長し、生殖能力を備えたことを祝い、その幸福と成功を祝う儀式として、母方の家系の姉妹が男児の最初の性行為の相手として選ばれた。