Thanks everyone! It will most likely come down to Geno for the final decision. My boyfriend and I want to set up a day and time with the breeder when the pups are older so we can see how Geno interacts with them. If he shows any aggression towards them, we might have to rethink adding another. I've never seen Geno be aggressive towards other dogs but he's never been around any dogs smaller than him so this will be interesting