Tears not only keep the eye moist but also have an important role in maintaining the healthy functioning of the eye. Tears prevent dryness by coating the surface of the eye, as well as protecting it from external irritants.

Is crying necessary?

According to Frey, “Crying is not only a human response to sorrow and frustration, it's also a healthy one.” It is a natural way to reduce stress that, if left unchecked, can have negative physical effects on the body, including increased risk of cardiovascular disease and other stress-related disorders.

Is it better to cry or hold it in?

Chan, however, says that if you feel emotional and want to cry, it is best to let it all out rather than holding it back. “Crying can be helpful in some situations, but remember that it's only a means for you to express your feelings, be it anger, sadness, anxiety, frustration or grief,” he says.