对这部纪录片的男主角，说起来都是泪啊。女盆友因为他的丁丁太小，拒绝了他的求婚，从此他就赴世界各地调查尺寸、文化与性和谐的关系，到底丁丁多大才性福，从此他就成了丁丁学霸。
遇播放卡顿或无法播放时，可切换线路播放
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