The third tale is The Hot Hand. The authors show that sportsmen who improve their weak points will raise the efficiency of their strong points. The story of left and right hands to score in basketball is a good example. Opponents will recalculate the probability that the sportsman will score using each hand then they have to allocate the defense away from the stronger hand. Consequently, the stronger hand scores more. The principle is an action of player always affects the decision of other players.