Waving back is the polite thing to do.
Cats needs to stretch too!
Couldn't have said it better myself.
Sounds like a pretty in depth conversation.
Leave me alone dog, i'm just trying to relax.
Oh boy...somebody is in big trouble. My dog couldn't even top that!
Dogs need their exercise too ya know!
Biggie, Biggie, Biggie cant you see...sometimes your words just hypnotize me!