EXTREME SPORTS
Laura Ottsen Straussにより
1. adrenaline
1.1. aktivitets the primitive brain
1.1.1. concentrate better
1.1.1.1. boostes energy
1.1.1.1.1. survival mode (or else you die!)
1.1.1. concentrate better
1.1.1.1. boostes energy
1.1.1.1.1. survival mode (or else you die!)