Have you ever wondered why there is a tail blade on a helicopter? Its because as the main blade spins to lift the helicopter, (action), the body wants to spin the opposite direction, (reaction), Newton's 3rd law of physics. It is called torque. It makes the helicopter uncontrollable, and it crashes. The same happens to emotions.
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Hate or goodwill can be between individuals, nations, and groups of people. The main blade could be looked upon as the military and police forces. What the world needs, like the tail blade, an anti-torque motion. This will stabilize worldwide emotions to become uncontrollable with complete hate.