Be Positive. The world is awash with advice that we should have a positive attitude. As one aphorism goes, if you think you can, you can; if you think you can’t, you can’t. From motivational speakers like Tony Robbins, to advice books like The Power of Positive Thinking, to repeating daily affirmations, everyone seems to be peddling positivity.
It turns out it might not work.
Canadian researchers asked people with high and low self-esteem to repeat “I am a lovable person....