"How is the life of a SLAVE treating you? I can see that you really intend on serving every whim of that MASTER of yours (Do not mention the game.) Do you really think so little of yourself? Where is your own stuff here? You are just an empty shell, your master can fill it with whatever he wants."
Say it slowly, with a smile on your face. Look like you are amused by this display in front of you. Do not wait for her answer, then quietly walk away. Do it whenever you have a chance.
(Cultivate her own thought process, not just passively react to stimuli from you or anything else.)