Bravery is earned through doing
Courage is not gained by learning about it or wishing for it. It has to be earned through action, which starts with an honest look at your actual habits and behaviors rather than your hopes.
Performance

A psychologist and elite triathlete translate mental-performance research into common training and race problems.
Courage is not gained by learning about it or wishing for it. It has to be earned through action, which starts with an honest look at your actual habits and behaviors rather than your hopes.
When the urge to stop hits in a race or a hard session, the useful question is whether there is a valid reason to stop or whether you are simply giving up. Telling the two apart lets you push on through discomfort without ignoring real warning signs.
Because people differ, the same mental strategy will not work for everyone. Each person has to test the tools and keep the ones that fit their own identity and situation.
The author describes the mind as three systems: an ancient emotional part that keeps you alive, a rational part that handles the civilized world, and a store of memories and habits that runs routines. Nerves, choking, quitting and careless mistakes happen when these parts fight for control, not because you lack willpower.
The emotional brain triggers fight-or-flight against anything it sees as a threat. It cannot tell a fellow competitor or a race result apart from a real danger, so ordinary contests set off survival-level fear.
The author argues that people cope better once they understand how their brain produces fear and doubt, because they can then design strategies that fit the real problem. Feel-good mantras, gimmicky visualization and motivational memes skip that understanding and don't help people deal with obstacles.
Constantly measuring yourself against others, especially through social media, can wear down confidence and feed worries about how you look. Feeling like a fraud next to people who seem tougher or happier comes from these comparisons, not from your real ability.
The drive to keep training can become an addiction, an incessant need to do more, and can sit alongside disordered eating. The author treats these as real risks inside sport rather than problems that only belong to clinicians.
Lasting effort rests on who you believe you are and what you care about. So the work starts with building an identity and finding a passion before goals or tactics, and only then turns to setbacks and new skills.