1. Sometimes you get bitten by your sister. That hurts but... 2. ...you never retaliate. In fact, you have never bitten anyone. 3. When the little sister who bites (on occasion) gets bitten by her little brother, instead of laughing outwardly, or laughing inwardly, you... 4. ...say with sincere concern, "Oh, that hurts, doesn't it Finny? You know what helps? Shake your finger, or squeeze it tightly. Sometimes that makes it less ouchy."