Howard Wolowitz: You are dead to me.
If it isn't Mrs. Dead to Me.
Leonard Hofstadter: He just won't listen to me.
Stephanie Barnett Okay, I guess it'll just be the three of us then.
Leonard Hofstadter: Lise's gonna be disappointed.
Howard Wolowitz: Lisa?
Stephanie Barnett My roommate. She just went through a really bad break up, I thought she might like to meet somebody fun like you.
Howard Wolowitz: Leonard, Stephanie, you're alive! It's a miracle!