Dogs are generally happy creatures. If a dog is sad it could be because of many reasons. Losing a soul-mate, very important person (or thing), being abused, and being punished by someone they truly respect, care for, and love are a few.
it is just the way that there eyes are set.
I say dogs get sad but not for a long period
no
they can sense it
Yes.
they cry when they are unhappy a-or sad
yes. dogs know if we are happy, sad, mad
Because they become sad
why does my dogs ears go down
They put their tail in between their legs
No because there are many many dogs in the world and many in puppy mills! How sad!
dogs would be the sad truth
It would be sad.