Optimism bias is the natural tendency to overestimate the likeliness of positive outcomes and underestimate negative ones.
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Pessimism bias, (also known as negativity bias), draws our attention away from positive circumstances and causes us to weigh negative stimuli more heavily.
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While adapting to adverse scenarios works well for our survivability, we can also adjust to pleasant things we enjoy. Over time, things that were once exciting and new become familiar.
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The sunk cost fallacy describes the human tendency to keep doing something we have started, even if it isn’t working out.
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