The really fun part about the urinal/fuck toy/long term captivity readers are what it do psychologically to someone. Like after a certain point, it's not just reader doing whatever they need to do to avoid harm, they start acturally believing this is what they were made for/deserve. Like even if urinal reader gets to be a pet again they'll never feel clean again, they might even avoid the softer cleaner parts of their cage so they don't "dirty" it. Nothing the 141 do to them will even make them blink again, readers just some dirty thing what can make them lower?
Even when fuck toy reader gets taken out of storage there not going to feel human anymore, probably also avoid even thinking of home out of fear that they'll be able to tell. Reader would probably numb up a bit afterwards just like a good toy should, nice and quiet and passive.
Really anything that's just reader being treated like less then a person overtime would wear anyone down, eventually readers going to cross the line of no return and just never be able to really be a person on the inside again. Hopefully for readers sake the 141'll be sweeter to them now that there everything any of them wanted, be bad if they start being punished for learning their lesson too well.
GOD LET ME GET INTO YOUR BRAIN