Who took care of his cats before he moved in with you? It sounds weird that he's willing to spend $X on his cats but won't clean/feed/care for them once he moves in with you. It just doesn't add up.

I agree with Jessika and Johana, give HIM one more chance and it's not the cats' fault. They're just being cats. Untrained cats.

(((((((((((((((((((((((((((HUGS))))))))))))))))))) ))) to you in your dilema.