At the beginning of the movie, it shows a boy with a stick, push another boy, (making first physical contact) which starts a pushing match, then the boy with the stick hits the other boy in the face with the stick. Later we find out that the stick broke two teeth and left possible nerve damage.
A woman gets sick and throws up several times. Her purging can be seen.
Though not graphic or violent, the movie is based upon two sets of parents who argue on and off throughout the entire movie about their sons conflict.
We see one character pounding on another character out of frustration.