David and Tamler tackle the topic selected by their Patreon supporters - the psychology of personality. What are the different dimensions of personality that distinguish one person from another? How many dimensions are there - do the Big Five capture all of them? Do we share some of these differences with other species? Why don't personality psychologists include moral character traits? Plus - are you curious about your partner's true political commitments? No problem, just install a periscope in your toilet.