Should You Be Aiming For 80% Perfection - Not 100%?

Are you one of those competitive types who wants to be 100% perfect all the time? Perform every drill perfectly? Swim every session to your absolute maximum?

If so, it's really quite like that this total 100% focus may actually be holding you back. It tends to make you swim quite rigidly, and mechanically, removing any sense of fluidity in your movements…