Nyora ndima pfupi yenyaya iri pamusoro penyaya inotevera:  MunhuX anonwa doro naMunhuY
Chokwadi, heino ndima pfupi: Anonwa doro racho achinakidzwa nokurwadza kwarinomuita. Ushingi uhwu hunoita kuti ave nechivimbo nesimba zvitsva, zvichimuita kuti anzwe akagadzirira kutarisana nechero chinenge chaitika usiku.