Ah yes but, Yvonne, you're forgetting that Clark had a couple of different hair-lengths in Season 1. There is this, his style from the Pilot:
[img]
http://images2.fotki.com/v2/photos/1/11220/95597/pildean-vi.jpg?1051639210[/img]
which is certainly too long; he really did need a haircut then.
But there was also this totally wonderful look:
[img]
http://images2.fotki.com/v2/photos/1/11220/95597/ClarkrejectedinBatP-vi.jpg?1015976889[/img]
which, without a doubt, is my favourite.