To me, Locke seems to be acting in a vengefull kind of way. Like he is placing blame on the Others for all of the problems he may have had before the island. It's almost like he is thinking that if they know so much about him at the present time, maybe could they have helped him in the past (before he was paralized and when his father conned him).

I don't know why he is going through such great lenghs to hide the secret he was confined to a wheel chair, it just seems odd to me.

-h

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Everything should be made as simple as possible, but not simpler - Albert Einstein