Okay, if you two gentleman accept that I fully understand the plot of the film Pirates 4, and simply find it hackneyed and weak especially for our protagonist, you'd get why I'm not interested in having it "explained".
But sure offer your opinions on how Jack is not in fact a buttmonkey in the film if you want, that'd be more interesting.
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One Piece: Pirates with style!
-= Metal Gear Solid: Tactical Espionage Action =-