Depends. What are you thinking of upgrading on him? More realistic flesh? New ports for entry? You enjoy being filled as a bottom while still having your cock worked, imagine additional holes and a second cock, blow the robot's mind. Maybe even a second hole in the back of the skull so along with the mouth could try frotting. Imagine if it was also capable of absorbing enough raw materials through sex or consumption that it could create a second unit, etc. Be an excuse to have robo versions of your featureless beyond having an enormous cock version of thr viewer lover and housemate. Maybe even cornflake or any of the other anthro folks you stream with πππ