This pairing is a calculated move for Sage and a confusing one for The Deep :
The scene prominently features Sage and The Deep sharing a , which some fans humorously (and darkly) theorized might actually be The Deep 's pet octopus, Timothy, though most evidence points to it just being junk food to facilitate Sage's "dumbed-down" state. Character Dynamics: The "Deep" Connection [S40E3] Out for Blood
Typical of his character, The Deep is easily swayed by someone he considers "cool" and "hot," completely oblivious to the potentially horrifying self-surgery occurring in his presence. This pairing is a calculated move for Sage