"Very minor, really." He grins, then starts ticking items off on his fingers. "Let's see...I've lived in Cardiff all my life, except for when I was working for Torchwood One, I have a younger sister, my favourite band is U2, my favourite fruit is grapes, I hate mustard, I like dystopian novels, I have to have lots of pillows on my bed, my favourite color is blue, I studied physics at university but never graduated..."