Bernadette: She's not. It's been happening my whole life. And-and she called me out for being mean? Well, I've had to be mean. It's hard to be taken seriously when you're always the smallest person in the room.
Sheldon: I know that. I was in high school when I was nine years old. I tried to tell the other kids that although my physical stature was small, my intellectual stature towered over them. That only seemed to make things worse.