I think it's like my current spies thing - I know on any sensible level one is surely screwed up in some way if this is your career choice and I find the politics of Spooks absolutely horrifying, but their manly anguish is immensely entertaining to me.

ETA: which makes me think I ought to do 'what would be the worst real life boyfriend but in fiction makes you 'oooh! that's attractive' poll.