Her reaction reveals that as a mother she cannot bear the thought of losing her only son to the injustice of war.
Henry’s mother discouraged him from joining the army because she fears for her son’s safety. The advices she gave to him were concerning more of the life of Henry – that he should not attempt to beat the entire rebel alone and that he should do what is right. The scene showed a mother’s concern for her son and the reader as well would understand a mother’s heart.