is it allowed for men to cry?
Absolutely. Not only is crying a natural body response, it is encouraged for both men and women.
There are also different kinds of tears. There are basal tears, emotional tears, and reflex tears. The basal tears is something they eye naturally has, to keep the eye moist and protected from foreign objects. The emotional tears is what causes us to cry due to sadness, anger, pain, or other reasons. These tears can contain a hormone when released from the tear duct, that has been suggested keeps us calm, or calms us down.
So it is healthy to cry. For both men and women. It is healthy emotionally and mentally, to cry.