To be fair, I don't think the chivalry was faked just so he could kick the dog. Rather, the chivalry was faked so he could bone the chick, and the dog kicking was a reasonable and natural response to discovering she already had a boyfriend.
Also, "People Who Liked This Video Also Liked: Stanford Prison Experiment"
No, all of you misunderstand. Clearly Matt Berry wanted to kick the dog, so he went through the brief rituals of courtship so he could kick the dog. DURR DURR DURR.