Whenever something bad happens, everyone vents their frustration regarding the situation. It gets repeated whenever the same things happen again. And so, you keep complaining about the circumstances and the state of affairs every time things do not go your way.
Pretty soon, you will become a pro at complaining, protesting, and whining, because while practice may not make perfect, it does make myelin - a microscopic neural substance that adds a lot of speed and accuracy to thoughts and movement. According to studies, myelin is kind of like a muscle, except instead of strengthening your body, it strengthens neural pathways related to a particular skill. While your neural pathways may not be equipped to make value judgments, repeating an action again and again – whether positive or negative, can help you gain a skill or habit.
However, if those actions are always complaining and feeling negative, you will build a destructive skill. Repeated complaining releases cortisol Experts say when you grumble, it triggers a chain reaction in the brain due to the release of stress hormone cortisol, which has notable short-term and long-term effects. When the cortisol increases, it causes a persistent state of stress that impairs cognitive function, reducing your brain’s ability to think critically, and affecting memory.
The hippocampus part of your brain - mainly responsible for memory and decision making also gets affected as you continue to make a fuss over things – having a negativ.