The hardest tumble a man can make is to fall over his own bluff.
Although I have to say, it's become a lot harder for me since I won the world series because everyone wants to beat me. For example, bluffing is really tough now, because there's always someone who calls me on the off-chance that they'll then be able to say they read a world champion's bluff.
Bluffing is most effective when done sporadically; bluff too often, and you'll blow your credibility.
Many players in the big blind get in trouble by calling pre-flop raises; they try to do too much. They don't want to get bullied, so they attempt a tricky check-raise bluff or overplay their hands in an ill-advised effort to push back.
Tournament play demands patience to survive and win. Winning at cash games demands a whole other level of thought and deception. You need to reach into your bag of tricks and run the occasional big bluff to be a consistent cash game winner.
Beginning players are predictable and rarely bluff. They tend to focus only on their own hand and simply hope to catch the one card they need to improve.
Any call that jeopardizes a big chunk of your chip stack just because you think your opponent might be on a bluff is flat-out wrong.
A common mistake made by amateurs is that they fail to take advantage of players who bluff excessively. Instead of playing possum and letting their aggressive opponents continue to bet, beginners raise too early with monster hands, allowing their opponents to fold.
Don't try to make a big bluff on the turn with a drawing hand. With only one card to come, even a big draw is an underdog against a made hand. Keep the betting small.
Memphis don't bluff. It's a tight knit community.
