Why is crying believed to be a sign of weakness or shameful?
3-4 sentences please

Mood change after crying is strongly affected by social and cultural factors," Vingerhoets and his colleagues wrote in another study on crying. So if you feel like crying is shameful or a sign of weakness,that's going to change how good or bad you feel after letting loose.

Explanation:

Since you don't know what it is, it's natural to be scared cause you haven't been introduced to it. For example, if you saw a species that has never been discovered most people would be scared because they haven't seen it before. Hope this helps :)