Today, four years to the day after Henry the dog — who was senior in age — crossed the Rainbow Bridge, Purrkoy the kitten unexpectedly flew off to join him at the tender age of 4. View this post on Instagram Wat?! #smushedfacecat #exoticshorthair #squishface #smooshyface #babycat #adorable #catlovers #gato #katze #neko #catsofinstagram @cats_of_instagram @cats.being.basic…