Even the modest players have had there share of being bluffed out of there hand. Its a useful tool when pots are big and you have the tables attention in many ways. Erratic betting patterns can shake people off good hands because they want to have a stabilized game. Players that seems to bet big always get others to back off, but that can also be a draw back as well. Make you and break you is what its called. Bluffing to much can take you right out of the game , just as fast as it got you in it.Poker is a game of will and drive to take risks and know when to let go when you have too. Keeping a game in your favor you always have to keep the table guessing on what you'll do next, cause that's the deciding factor of you getting ahead in the game.