The fact that tears run down their faces during a violent laugh is common to all races of humanity," said Charles Darwin.
Crying conveys an additional message when we feel happiness, sadness, anger and fear. According to one study, the effect of crying changes the perception of emotions when interpreting facial expressions. That is to say, tears communicate by themselves when expressing some feelings, especially when we are sad.
Do not be ashamed to cry, it is natural that as human beings many times we have the need to cry, many people criticize others for the fact that they see them crying they are called weak but it is not so the truth is that they are strong, because they are breaking without thinking about what they will say about people or what they will think if I shed a tear. Crying can mean joy sadness anger is just a way to bring out some of our feelings in the end we feel good so don't be embarrassed