I say when you move out take the kitten with you.

But he dislikes them? What would that solve?

Well, now we know your girlfriend can't keep her promises and puts kittens before you. Not a good sign, if you ask me.

Did you give her an ultimatum such as 'either I go or the kitten goes'?
If so, that's where you went wrong.

I mean, my boyfriend loves cats more than he loves me, so I'd say I feel your pain, but I kind of feel the same way about cats as he does...

In a few years she will turn into the Crazy Cat Lady from The Simpsons.

I guess that is one way to break up

Dodge the bullet and get out trust me it will be better for you in the long run

Run! Fast!

I can just imagine the conversation that led to her having to promise it would never happen again.

Gf: "Honey, I bought another kitten. This one's named Fluffy."

OP: "You need to stop buying kittens every time you go to PetSmart. We already have five."

Gf: "Fine... I won't buy any more kittens. I promise."

Sorry you got dumped for some pussy!