射精 気持ちいい 理由|射精は健康に良い？悪い？メリットとデメリット ,pepco genova

結論から先にお話しすると「射精は健康にいい」と言えます。 ... これは、精子を貯めておけるのが3日前後であるという理由からです。 ... セックスがより楽しく気持ちよくなる方法をわか。

射精までの3つのプロセス. 射精は次の3つのプロセスを経て起こります。 1）Emission： 精子、精嚢の分泌液、前立腺液が前立腺内へ送られる. ↓. 2）膀胱頸部の閉鎖： 膀胱側に精液が逆。

【「性知識イミダス：男性の生殖器を知ろう」もあわせてご覧ください】 「射精のしくみなんて知らなくても、男射精 気持ちいい 理由なら自然とできることだろう」――そんなふうに思っている人はいないだ。

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