Imagine this, you are walking down the street with your best friend. Her tongue lolling out of her mouth and her tail wagging back and forth in happiness. It is a beautiful day and you couldn’t imagine spending it any other way with your pup. You can see the joy radiating off of her in waves as she spends the afternoon enjoying her favorite activity-a walk with her favorite and most trusted human. You reach down to stroke her back and she glances back at you happily just as you round a corner and… You both freeze. Standing before you is another dog and his owner. They are out enjoying…