Hi! Welcome to BPO! I am Stephanie mom to Sierra the Newf. That picture of Kira is so absolutely adorable! I can't wait to see more.
I wouldn't worry about the stairs. I'd just keep any eye that they don't try to take them too quickly and tumble down them, but I'm an overproetectiv
e mom. We have one step down from our front stoop and I used to carry Sierra down it.
As for the swimming, I can't keep Sierra out of water in the summer. Whether it's lake, pond, puddle or water dish, if it's water Sierra is trying to fit her big oafy self into it. I think it's really going to depend on how strong their instinct is. I have just started training Sierra for her water dog titles and she apparently has a very strong instinct. Whenever we were out together, she turns and tries to swim into me forcing me to move. I took it as her panicking, until a trainer from the Newf club told me she wasn't scared she was trying to save me. She told me to go out in the water with Sierra on a lead to where I could still walk but the dog had to swim and just walk back and forth gradually getting deeper to show the dog that you don't always need saving and it's ok to be swimming next to each other. We're still working on it, but we just started and Sierra is already 15 months old. Maybe if you start out in the water with Koda and Kira while they are still young they will be accustomed to it and won't think you're drowning every time.
And don't be worried that you have the world's only water hating Newfs if it takes a while for them to go into water. We brought Sierra home at 10 weeks and at 6 months she still wouldn't go any deeper than her belly. Until she walked off the deck into the swimming pool, that is...LOL!
Ooh! I'm so excited to see more pics!!