If you have more than one pet at home, you probably know that animals tend to compete for affection. Nowhere is this more obvious than in the video you’re just about to see. When he sees his owner getting close to a lamb, this dog all of the sudden realizes he too is in great need of affection. He is clearly on a mission to break up the connection between his owner and the grass-eating rival. In fact a new study from the University of California, San Diego has confirmed something that many of us already suspected: dogs get jealous!