Exactly why the intimate climax, in individuals, results in a satisfying experience stays an essential biological question Install citation CrossMark Perspectives Total Post Figures & facts Citations Metrics Licensing Reprints & Permissions Abstract Comparison of evolutionary traits in numerous Vertebrates shows that climax advanced through three phylogenetic phases throughout transition from external to interior fertilization… Continue reading Exactly why the intimate climax, in individuals, results in a satisfying experience stays an essential biological question