Congratulations......but be prepared
Our overall experience with introducing our new Puppy, Faegan, has been very positive. Brighid continues to distinguish herself as a "perfect little girl" and she loved her new little brother right from the start. She drove the 4 1/2hours to go and get him and was the one to finally confirm the deal. He is a joy and we believe that we made the right decision to bring a second dog into our family.
Having said that, it is hard. Having two dogs at different stages of development and with very different personalities is challenging. It's a completely different dynamic than existed when bonding and training only one. It takes a lot of energy and initially, a lot of time.
Here are some things that we did:
For the first several months, Brighid went to day care 2 days a week so that she had some "me" time away from the puppy. On those days, Faegan came to the office with me. When she cried on the way home and tore into the house to see Faegan, we knew that the need for this was less important.
Once a week, they each go to separate classes so they had individual focus. Brighid went to agility and Faegen went to Puppy socialization classes. I can't stress enough how important I think that these puppy classes are since very young puppies can't go to dog parks and such.
For the first little while, Brighid got separate walks.
Tiny little Faegan humped Brighid and most of her toys as well as some other puppys at class after only a couple of weeks! It was a little shocking to look at but it only lasted a few weeks and with some gentle admonishments and Brighid tossing him off a few times, that has mostly stopped. I think that it was a dominance thing.
It took so long and so much effort to find a food that Brighid was happy with that I transitioned the pup (whose breeder gave us a 10 day supply of what she was feeding him) to the puppy version of Brighid's food (Now!). This will allow us to hopefully feed him the same food as her when the time comes.
I could go on an on about how many challenges there are in having two. Even small things like the multiple 5 minute training exercises are harder than when there was just one. Sit, stay, down... It's challenging to do that with Faegan because Brighid comes right over and does all the behaviors and when that doesn't work (because you are focused on the pup), she just moves onto any and all of the other moves in the hopes that one will yield a treat. We're through all the basic stuff now, but it was definately harder.
I could go on an on, but I won't. I just want to make the point that even though I agree that having 2 dogs is wonderful - for both the owners and the dogs - it's more challenging that you might guess. I think that this is a bigger reality check for those of us going from 1 dog to 2. Those who have added a second Sheltie more than once or have added a 3rd have a better perspective on the kind of challenges there are. Jessica, I can tell from having read your posts and following your trials and adventures with Smudge that you really want to be a good "mom". I think that your experiences with Smudge have been less than what you might have idealized them to be with all the hardships and medical issues. You've come through those with a great dog and a great relationship with your dog. This will likely be the case with the new pup but I thought that I would be the one to say that that experience may also not rise to your expectations. Don't shoot me, Sheltie Nation for saying so! It is, however, well worth the effort and a day's travails are soon forgotten when there is a happy and exhausted puppy asleep on your lap. All is forgotten until tomorrow's mis-adventures!