Second, some of your opponents will call too much, especially at the lower limits. Bluffing this type of player can be suicide for your bankroll. Position is important. Acting last is an advantage in virtually all forms of poker, as you will have gained information about your opponents' hands, but they will not have gained that same information about your hand. Adjust your play, depending on your opponents.
Poker is a people game.
Who you are against and how they play can make a critical difference. In addition, an opponent's mood may change, depending on how he is doing in the game. When this occurs, it's as though you are against an entirely different person, and you should adjust your play accordingly. Just because it is unlikely that you have the best hand doesn't always mean that you should discard it. Even if you have just a small chance of winning, you frequently should make this call.