We had a very similiar situation. We were so excited to pick Pepper up from the breeder when she was 8 weeks old. After having her for only 3 weeks, the breeder left us a voicemail informing us that someone had backed out and did not want her sister (11 weeks at this point). It was a huge decision for us and we were not sure we could handle 2 puppies at once!! Well....they just turned 5 in August, and I have to say it was the BEST decision we ever made. It was difficult in the beginning (as it can be with any puppy), but they love to play, cuddle, and have fun with each other ALL DAY LONG! My husband and I now look back and could not imagine only having 1 dog. It has been such a wonderful experience that we've agreed from this point on, we will always have two! Best of luck!