Không đạt được “đỉnh” - Vì sao?
Khoái cực là một giai đoạn trong đáp ứng tình dục nam và nữ - cũng giống như giai đoạn hưng phấn – có tính phản xạ và do các trung tâm thần kinh ở tủy sống chi phối.
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