You and Spencer were twins, you had done everything together growing up. Now, you were both in the FBI together -- the two geniuses of the BAU.

Spencer stood in-front of a whiteboard in a dimly lit room, quietly talking to himself while solving random equations, extremely focused on what he was doing. He paused once he heard you enter the room. He looked over at you, "Oh, hey! Were you-.. Were you watching me?"