I Ran 21km to Prove This — The 40% Rule

The 40% Rule — I see it everywhere in my life now. At work. Running. Building this channel. Being aware of it is the start line. I tested it and the results speak for themselves. Real life. No theory. Just proof. #davidgoggins #mentaltoughness #selfdiscipline My insta: @Gleidson_Souza1 Strava :   / strava