Jasper is 11 weeks old tomorrow and we have been having him always on a leash when he is in the house to help him learn house manners, etc. One of my biggest concerns with adding a puppy to our household was the effect/stress on the cats. People assured me that "one swat" from the cats would quickly teach a puppy not to chase them or mess with them. I wasn't about to allow the cats to scratch Jasper, potentially hurting his face/eyes so instead we had him on a leash, treated when he wasn't trying to lunge at them, etc. One of our cats continues to run away, enticing Jasper to continue to jump and attempt to chase. The other one has essentially moved upstairs (Jasper isn't allowed up there) so he is avoiding contact with the dog all together. :headshake: He will only be smaller than the cats for another month or so and I am having fears that he will never learn not to chase the cats of one keeps running away and the other one avoids contact. I want to maintain the upstairs as a "safe haven" for the cats so don;t want to force the issue either. I know I need to be patient and it has only been three weeks, but I am imagining a 20 pound dog soon and want this to work/be safe and OK. Advice?