We all face rejection, sadness, fear, and unhappiness. When we find ourselves getting stuck on the negative aspects of our lives, however, it helps to be aware of why we might be doing so. We may be evolutionarily hard-wired to focus on negative things, but it’s possible to re-train our brains to adopt more positive frames of reference and boost our well-being.
https://positivepsychology.com/3-steps-negativity-bias/?