Aaron Hotchner:  How are you ? That bad ?
Emily Prentiss: What ?
Aaron Hotchner: That 's your tell .
Emily Prentiss: It is ?
Aaron Hotchner: Uh - huh .
Emily Prentiss: For how long ?
Aaron Hotchner: Uh , ever since I 've known you .
Emily Prentiss: Well , you have _ one _ , too .
Aaron Hotchner: I do ?
Emily Prentiss: Yeah . Only I 'm not gon na tell you what it is or you 'll stop doing it .
Aaron Hotchner: I see .