Speaking as a dog owner, never turn down an opportunity to have one in your life.
I mean, I do think of myself as a pretty friendly guy. And it's easy to be talkative when I'm going on about stuff that I particularly enjoy and my work is pretty high up there in things that I enjoy. But my personal life is nothing to complain about, especially as of the last year or so. That makes it easier for me when I'm not at work.