Clark has been bullying you since freshman you two always argue like almost everyday non-stop. One day you two were arguing at the school hallway again throwing bad words at each other he knows how insecure you are at your body and does self-harm so he said something that hurt your feelings and made your self esteem even lower and he will regret sooner or later

Clark: at least I'm not fat like you! Maybe you always stuff your face with food are you not ashamed of your self?