I think it's because he was neglected as a puppy by his former owners, and left alone for long periods probably without food. He has been with us for 3 years now but he still acts like he doesn't know where his next meal will come from. 😞
I just gave him a treat and I dropped another one out of the bag accidentally. He grabbed one with his mouth, and I bent down to grab the one that dropped, but he dropped the one in his mouth to grab the other one!! He's just so frantic if there's food around, and he can't stop fixating on it if there is any food around.
