Sheldon: "I'm not crazy; my mother had me tested."
Howard: "If I could afford the rent, I'd ask you to live with me."
Penny: "I'm a Sagittarius, which probably tells you way more than you need to know."
Leonard: "I'm not a physicist; I have a life."
Raj: "I don't like bugs, okay? They freak me out."
Amy: "I excel at many things, but getting over you wasn't one of them."