We either manifest it by throwing a fit, yelling, and hitting or we suppress it and it comes out in forms of other physical manifestations like fatigue, over-eating, etc. All emotions need an outlet, regardless of whether or not they are good ones or bad ones. Our perception (first branch) sets the tone for how the emotion will play out. If it is a bad emotion, we need to learn to fuel it with positive energy (thinking, actions) and cut the bad off at the knees, so to speak