translation.en: We notice, looking at all these people opening boxes, that when people get to about 13 out of 15 pies, their perception shifts, they start to get a bit bored, a bit testy.
translation.zh: 我们发现，看着所有这些人打开箱子 当人们得到大约13到15个馅饼的时候 他们的感觉变化了，他们开始觉得有点无趣，有点急躁