Many people wonder how a desk job can be so mentally tiring. The ego-depletion theory states that there is a limited amount of mental energy which we consume while sitting and working, just like a gas tank guzzles up all the gas till it’s empty.
This theory is being challenged, as we may be wrong on how our brains and bodies consume energy.
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It turns out that the things that we aren’t motivated to do, and yet have to do (like going on a sales call, or making a report) will tire us out quickly, but the things that we love to do, or are doing on our own accord (like scrolling through Instagram) do not cause any psychological fatigue.
Ego depletion happens when people use up their available willpower on one task.
We all have natural urges, desires, and tendencies that demand attention. When we curb those urges, it requires willpower. Even small decisions to delay gratification require huge mental, emotional, and cognitive effort. As willpower is a limited resource, when it is used up, we experience mental exhaustion and fatigue.
Productivity guilt happens when you feel overwhelmed by not attending to all the things you know you "should" be doing and having a nagging feeling that you're wasting time.
Staying in shape is mostly about program compliance.
It’s not about having the best fitness program, but about having one that’s good enough, eating less junk food and making sure you actually stick to it.
And most people have trouble doing that.