Teach your child to label his feelings, so he can verbalize feelings of anger, frustration, and disappointment. (verywellfamily.com)
But imagine how helpless a little baby who can not verbalize their feelings feel when they experience pain and do not know what is causing it? (babygaga.com)
He likely can also speak now and may have discerned that his words can have power over people, affecting their mood and behavior, but can't yet verbalize his feelings effectively, leaving him seconds from bubbling over when he's feeling overwhelmed by emotions, people or his surroundings. (mommyedition.com)