長度?粗細?持續時間?最讓伴侶滿意啪啪啪的是這個!!!
Bicycle - Wikipedia, the free encyclopedia完事之後做什麼?如果你只是自己悶頭大睡,那麼我們的最新研究成果建議你花點額外的時間與伴侶依偎。兩項研究表明,在事後多花些時間與伴侶溫存,會讓你對性生活質量和整體的戀愛關係更加滿意——而性交本身的時間則遠沒有那麼重要。 第一項研究共有335名參與者(138名男性與197名女性)A bicycle, often called a bike or cycle, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist. Bicycles were introduced in the 19th century i...
全文閱讀