您好,根据您的描述,做爱时每次都是半个小时左右,您的情况基本是正常的,可能是刺激不够导致的,增加刺 三级甲等 专科医院 公立 北京协和医院 地址:北京市东城区帅府园一号 Pornhub gives you endless free porn movies with the most well liked Grownup pornstars. Love the largest amateur porn Neighborhood on the net and also whole-duration scenes from the best XXX studios. We update our porn video... https://messiahoswxa.timeblog.net/73192687/indicators-on-一夜情-you-should-know