Now, do any of these facts about the digestive system ? make it inappropriate to kiss another human being?

现在，这些关于消化系统的事实有没有,让亲吻另一个人类变得不合适？

耶鲁公开课 - 死亡课程节选

If your roommate comes in and starts trying to tell you facts about the human digestive system, " you say, "Not now."

如果你的室友跑过来开始试图,告诉你有关人类消化系统的事实，你说“现在别说“

耶鲁公开课 - 死亡课程节选