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 Pornhub provides you with limitless free porn video clips with the most popular adult pornstars. Delight in the most important novice porn Local community on the web along with whole-length scenes from your major XXX studios. We update our porn videos each day to make sure you usually https://garyb963nqt5.governor-wiki.com/user