When a fighter goes out there their whole intention is to win, no exceptions to that rule. No fighter in his right mind fights or grapples with the will to get tapped, or to have his butt kicked by his opponent. He wants his opponent to know he is the biggest, scariest thing since Renzo Gracie hit the circuit. This requires an immense amount of self confidence, which may require a bit of bluffing if he doesn’t feel this surge of confidence, he must put on his scary face til that bell sounds.