This super-cute video reminds me of something recently said to me by a pal who's (let's just say) less pet-obsessed than I: "Dogs have been on the earth way too long, and they're still not talking . . . something must be up  with that." Although I know he was only joking, watching how these pups seem to consider what their owner's saying makes me think they've gotta at least sort of understand something . . . like tone of voice?! Do your furry friends tilt their heads at you, too?