I love behavioural sciences. I know very little about the subject but it intrigues me. I think it is very interesting to learn why people do what they do and how their communication (verbal and non-verbal) can say more than they plan to share if one knows how to understand it.
My interest in behavioural sciences is why I like shows like Criminal Minds, The Mentalist, and pretty much all crime shows because they always have criminals with unique behavior issues. Another show that deals in this stuff is Lie to Me. Unfortunately I haven't been able to watch it but a famous psychologist who specializes in that field of study blogs about the truth behind the episodes of that show. His name is Paul Ekman. His website is pretty cool, check it out here.
Maybe you'll think it's cool too, or maybe I'm just a huge nerd. Probably both.