幸せのポッドキャストへのふしだらな女のガイド - エピソード3:オナニーに付随する恥を元に戻す - オリオンパックス

Everybody's doing it, almost nobody's talking about it, and when it is discussed, it's rarely in a positive light. Yet, science confirms what common sense suggests: masturbation is beneficial for physical and emotional health, as well as sex and intimacy with others.