Whether they just move away and don't take their pets with them, drop them off in the middle of nowhere, or take them to a shelter, the pets all react similarly: they're scared and sad.

"He had the gall to be all sad puppy dog-like and say ... and raving about what a horrible person she was to full-on crying about how much he missed her. When my daughter asked how long they ...

"He had the gall to be all sad puppy dog-like and say, 'Well ... He went from ranting and raving about what a horrible person she was to full-on crying about how much he missed her. When my daughter ...

while I’m crying and sobbing ... “I watched him at the trial. He looked like a sad puppy dog, except when the judge left. Then I saw him break character and lose his temper.

The communicative power of the sad-puppy eye muscles seems “potentially more an ancestral trait rather than something that’s evolved as part of this dog-human relationship.” C.L. Sexton et al.

The mournful eyes, the lingering stares, the sad sighs. Many pet parents leave the house each day with a dog or cat watching somberly from the window. Social scientists have found that pet owners ...