I used to work at a grocery store meat department when I was in college, and one day, I started chatting with a young woman and her little girl. Her daughter had a rotten tooth and — I don’t know what I was thinking — I smiled and said: “Looks like somebody needs to brush her teeth!” The mom glared at me and said: “Looks like somebody needs to learn their manners.” A few days later, I saw the lady and her daughter at the grocery store and I apologized. Both the woman and her daughter were gracious and forgave…