If he weren't, then perhaps he wouldn't be picked on so much. It makes her wonder why everyone can't be the same. The world is filled with nearly 6 billion people, but each and every one of us is different from everybody else. Only you have your combination of looks, personality, and behavior. There is no one in the world exactly like you.
Genes determine physical traits like eye color.
At the same time, you have traits, or ways of looking, thinking, and being, that you share with some other people on earth. For example, you may look like your father or share your mother's sense of humor. You also have traits that you share with every other person on earth. For example, every person has blood, lungs, and a brain. All things considered, you are more like every other person on earth than you are different from them.