Are you a tear docter

A tear from a child, Malko, tells us that she does not always come out equally from the eyes of the child to which it belongs. Depending on the reason that causes the child's crying, the tear has a different appearance, in particular, she dresses differently. The child likes his tears on all occasions and the tear likes all her forms.

A young woman who can't stop crying meets a mysterious man who collects tears.

Why do we cry? Can men cry too? When are tears acceptable and when are they not?