What can we infer based on the dialogue in the following excerpt from The Proposal?

CHUBUKOV: "It's not true!... My dear fellow, I'm very liable to lose my temper, and so, just because of that, let's stop arguing. You started because everybody is always jealous of everybody else's dogs. Yes, we're all like that! You too, sir, aren't blameless! You no sooner notice that some dog is better than your Guess than you begin with this, that... and the other... and all that.... I remember everything!"