[Pocket3's]

[ QUOTE ]
But I'm making a mistake willingly in the hope that I can get him to make an even bigger mistake by laying down the better hand.

[/ QUOTE ]

Bingo!

The FTOP makes complete sense in a vacuum, but sometimes you make incorrect plays intentionally that increase your EV on later hands. You make a stupid play, and now your opponenet thinks your a donk, not realizing it was a set-up.
Also, the FTOP does not account for all aspects of poker. If it were only a mathmatical game, the FTOP would stand on every paly. I think it has to be used as a guideline, and a concept, not as a rigid way of play. In the long run whoever makes the least mistakes wins. Sometimes you have to make your opponents make mistakes, ie the bluff, and sometimes they'll make them on their own. The only way you win this war is by hand reading and player reading, and trying to make the most optimal play after deductive reasoning.