It's good to be honest when you've broken something.
Liam has a heated discussion with his wife, leaves the house in a hurry and breaks a vase that his wife likes a lot.
Liam doesn't want his wife to think that he is a destructive person.
Liam tells his wife he did it but that it was an accident and apologizes.
Liam hides the fact that he broke the vase and blames their son instead.
Their son is glad to see his mother forgive his father.
The son is sad and angry to be unjustly treated.