You might begin the conversation by saying something like this, “Perhaps I am being overly sensitive, but when you spoke to me yesterday, I felt... ”
وَلَا تَفْتَرِضْ أَنَّ أَخَاكَ قَصَدَ أَذِيَّتَكَ ،‏ بَلْ حَاوِلْ أَنْ تَجِدَ لَهُ ٱلْأَعْذَارَ .‏