Responses

He is establishing dominance obviously. He's pissed, and more or less torturing Keith, passive aggressively, because of the betrayal. Sort of like saying "what i want, goes - so submit". Love how people can't read the emotions and situation. Does it look like Della gives a fck in that moment about infection? Obviously not. He is enjoying his high and control over Keith.
the way my jaw dropped at the piercing wtf + dellas trying to say shit about infections but THEN COATS THE SAME AREA IN SALIVA??? aw hell nawh bro save my guy keith