Both Tubby & Peanut love the Catsip! They used to get real milk on a regular basis, but it got to the point where Tubby would throw up within an hour of having the milk, so we had to stop the milk. I was devastated because I knew how much he loved the milk, so I was ecstatic when I discovered CatSip. Now Tubby can have his milk again. He knows what the little blue box is, and will meow incessantly until I put the dish on the floor for him. He even knows that the rattle of the dishes means it's CatSip time, and comes running. I give it to them on saucers, and all they get is what will fit in the middle "cup" part of the saucer.