We allow ourselves to become angry. We could play a tape, a compact disk, or listen to the radio. We could think about past pleasant thoughts or future plans. We can choose our responses to situations - as unpleasant as the situation may be . Anyone who has lived with another person for any length of time discovers that no one can really make or cause another person to change.
People change themselves.
The environment can certainly be established where the person wants to change. This is the reason why very young people do things adults would like them to do. Youngsters value adults and want to please them. This is also true in the classroom. Young students like their teachers.