Well I have 2 small dogs...a miniature fox terrier who turns 13 in a few weeks and a 7 y/o dachshound cross pound puppy.
I spend a lot of time at home by myself while hubby's at work and these guys are literally my surrogate children. In fact I prefer them to my grown kids lol
When I had my first spinal surgery my foxy sat at the front door for nearly 2 days just waiting. Now that's loyalty!