At the End of My Leash Season 3 Episode 11 The Chew Toy

Their first child is due, and Richard and Deana's relationship is crumbling. Their dog has a big attitude and neither knows what to do. Bailey chases Richard, nipping at his heels. Deana snaps at Richard and he refuses to pitch in. Both are frustrated and the impending arrival means Brad has little time to sort it out. Is Bailey really the problem or is a whole different sort of training needed?