Jamieson, Fausset and Brown on Genesis 45:14-15

14-15. And he fell upon ... Benjamin's neck--The sudden transition from a condemned criminal to a fondled brother, might have occasioned fainting or even death, had not his tumultuous feelings been relieved by a torrent of tears. But Joseph's attentions were not confined to Benjamin. He affectionately embraced every one of his brothers in succession; and by those actions, his forgiveness was demonstrated more fully than it could be by words.