I just went out and bought our first puppy. I told him I was going to see a litter with my sister and that I had enough money for a deposit. When I got back he saiid "well are we having a boy or a girl?" told him a boy in a few weeks and even though he told everyone he was pi$$ed off I knew he was excited. He actually fell in love with our boy quicker than I did

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I asked to have another about 2 months of getting our boy and he told me to wait till his first birthday. As soon as his first birthday came I asked again and he said "whats it matter what I say, you'll only go out and get one anyway" I got straight in contact with a breeder and we bought our girl home about 12 weeks later
I think I'd struggle to get him to agree to a 3rd though.
Good luck