…and my cat follows me at the slightest provocation asking for treats, anyway. Mice, I don’t need.
OK. How about rats, then? Small ones. They’re already carpet-colored.
Rats would be better, anyway, because they last longer.
But tennis balls don’t jump or leave little surprises on the floor, and, better yet, they don’t scream when bitten.
Time to boost your thorazine dosage a bit. 
Excuse me; I’m a bit distracted by the little glowing robotic micro-bats flying all over. I need to wait for them to leave.
…you were saying…?