Hello i have 3 black kittens and tuxedo growing kittens 2of the tuxedo cats are grown and one middle aged black one their house cats. They belong to my two original cats who are also house cats my mistake was not knowing they would mate now 9 kittens later i had him fixed. But now im worried one of the boys will start mating their sweet are loving never been outside before i live in an apartment and i need them gone asap to loving homes of course so please feel free to contact me anytime thank u.