I love how Wilson becomes more comfortable in his weirdness as the series goes on. In series 1 you can see him trying to restrain himself, trying to act like a 'normal' person despite House's antics. By series 3 a bit of his true self starts to crack through - for example wearing the reindeer hat just to make House laugh. But he's still clearly trying to maintain the polite, courteous doctor facade around everyone else. But come series 7, that is all out the window. He's chasing chickens round the hospital. He does his weird little 'I won a bet' dance in full view of House's fellows, and does not even look at them once. He's realised that's he's as feral as House is and utterly embraces it, and THAT is character development.












