Short term and long term memory operate completely separately from the brain which is why most people who have bad short term memory often have good long term memory. My short term memory is dreadful. I have a very hard time taking verbal instructions without being shown how to do the job. I need to be able to either write everything down so I can study it to see what has to be done or do certain tasks repeatedly by myself at my own pace before I am able to get it right. But at the same time, my long-term memory is excellent and I can remember things visually and once I get good at a job, I never forget anything and can master it. In fact, I miss nothing and can become really detail oriented.
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"The less I know about other people's affairs, the happier I am. I'm not interested in caring about people. I once worked with a guy for three years and never learned his name. The best friend I ever had. We still never talk sometimes."