I'll run with your dog.
I love dogs. I also have experience with old dogs.
I already took care of 2 dogs at the same time for 2 years. I used to say dogs should be treated as a kids, with love and care. The difference is they don't speak, so this is the challenge. They deserve all our attention, because dogs make us happy, just when they look at us. Dogs need food, water, do exercises, attention and love ...