effectiviology.com

p8ZB8 TIL People have a cognitive bias where they over-estimate how noticeable their embarrassing behaviour is to others.
MeggK TIL of the Benjamin Franklin effect that causes people to like someone more after doing them a favor. When Franklin asked his rival for a rare book and returned it with a note of thanks, Franklin’s rival spoke to him with great civility and offered help, leading the two men to become good friends.
R7n7l TIL that pessimism is one of the key symptoms of depression, and depressed people are more pessimistic when predicting the future than nondepressed people, even when they are given the exact same information with which to make their predictions.