Lance was a hothead, but he was getting better. He removed himself from the situation and spent some time cooling off. He didn't need what?\nOptions:\n- expansion\n- relaxation\n- soap\n- revenge\n- loss of heat
Let's think carefully first. Step-by-step reasoning process:
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Revenge is the action of hurting someone for a wrong suffered at their hands. Cooling off means reducing the anger. One won’t need to hurt someone when they are cooled off. So the final answer is revenge.
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