[paperboyNC]

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So, basically, the upside to your line really lies primarily in getting villain to make an incorrect fold on the turn. Any slight value edge you have on the flop is mitigated by the expensive nature of your line the times you are behind (you lose a lot more by taking this line when behind than you gain when ahead). So, in situations were you do not have a good chance of getting villain to make an incorrect fold on the turn, your line is probably only increasing variance while really not increasing expectation.

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I almost always check-raise flush draws heads up, partially for deception. This way opponents are more likely to call me down the times I have top pair, two pair or a set. Plus, this way my flush draws will win about 50% of the time (the times I hit plus the times my opponent folds), rather than only the 36% of the time I hit.

I could be wrong to be so aggressive heads-up on a draw.