How we react when we fail to attain a desired result greatly impacts the direction we take from that point forward. Some will make excuses─attributing a loss to bad luck, blaming the game itself, declaring that an opponent is just too strong, obsessing over getting older… Don't get caught up in your emotions, just consider the facts and analyze them.
How we react when we lose matters as it will dictate our mentality moving forward, which in turns determine our motivation.