Do dogs have heart, do they feel! It is really a wondering question to which the answer might be unclear. This video gives a glimpse of how they feel and react when someone provides them food. A stranger gives his food to a hungry dog and walks away. In return, the person was surprised everyday by strange and good things. Check out what surprised him!
Infact a sincere way of saying thanks!
https://www.youtube.com/watch?v=SC6CvzP2enU