You must admit that her points are quite convincing. Pool players are not the typical alpha males, yet playing pool has some advantages to your self esteem.
On one hand, you don't have to look like this to play pool:
On the other hand, pool players get to wear suits and compete in air conditioned halls and they hardly ever face this kind of danger:
And to be serious for a moment, the level of concentration demanded from pool players is very high or in Chang's words: "They need a computer-like brain that works in lightning speed to compute and process the many permutations one can take to pocket a ball… under the pressure of just three minutes".