The samurai secret to always being at your best - The Week
Eric Barker stashed this in Diabolical Plans For World Domination
The key is to keep calm:
Samurais trained relentlessly. They strongly believed you should always "be prepared" (they were like the deadliest Boy Scouts imaginable.)
Research shows that preparation reduces fear because when things get tense, you don't have to think.
More on that:
They also were resolved to die at any moment, in battle or at the simple request of their lord...
Now that's preparation.