If you shock the animals with an experiment, the animals will strike their anger at something nearby. The relationship between frustration and human bebavior is not much different from this experinemtal result. It is often the case that a person blasts for the sake of emimination of their frustration and that the people around him, especially the closest ones, are affected. How to control the impluse resulting hostility and hate is a lifelong challange. 
Also, aggression could be harmful for trading. Depending on the level of your agressiveness, you may want to consider when to take a chance and when not to.