Maybe their eyes hurt, they were really happy, or they were laughing really hard. They could also just be sad and not know why. Sorry, these are the only reasons I could think of.
I am not sad.
Because he is sad.
Crying is when u feel sad.
It starts crying.
A sad one
sighing
crying, shouting, screaming
Sad life.
Because she is sad
Because they are sad.
A sad mood
It has to do with sorrow and crying and being sad and such.