Self-doubt can be a powerful saboteur. So change the dialogue. “Positive self-talk reinforces your confidence and boosts your energy so you won’t stop when you feel tired or challenged,” says Nick Galli, an assistant professor of sports psychology at California State University at Northridge. Science agrees: a recent meta-analysis by Greek researchers found that positive affirmations can boost performance.
http://www.mh.co.za/fitness/stay-fuelled-up-no-matter-what-with-these-quick-hacks/
Men's Health
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Northridge