"I don't believe it. This is photo shopped. Do you see that sweet face in the beginning? Nope. Not believing it," one user ...

"I love how he didn't even look back. Like, 'Bye dad I'll see ya later!'" said one commenter about a video of a pooch ...

Christopher Pachel, DVM, DACVB, CABC, talks about essentials that should be covered with clients during their first puppy ...