How To Think Like Sherlock Holmes
If there's one spy skill we all envy, it's the Sherlock Holmes-like ability to quickly read a situation and come up with a theory that explains it (like the toothpaste stain that reveals your co-worker overslept, or the nervous twitch that shows your friend drank too much). Luckily, anyone can hone these same skills, and it isn't that hard. Here's how to do it.
I did not compose any of this (neither did I the description above). I only copied and pasted this from a website called "LifeHacker: How To Develop Sherlock Holmes-Like Powers of Observation & Deduction". All credit goes to Thorin Klosowski, who composed all this. Here is the website: