3.给对方讲个笑话或营造一个喜剧场景，比如，一起学一种新舞步时，将其中一个人的眼睛蒙起来。科学家发现，让人发笑的经历能够让人产生亲密感。

3. Share a joke or engineer a comic situation, such as learning new dance steps while one of you is blindfolded. Scientists found an experience that makes you laugh creates a feeling of closeness.