Because the brother controlled himself and spoke graciously, the outcome was good. What Makes Speech Gracious?
وَحِينَذَاكَ ،‏ مِنَ ٱلضَّرُورِيِّ أَنْ نَتَصَرَّفَ ‹ بِوَدَاعَةٍ وَٱحْتِرَامٍ عَمِيقٍ › .‏