Of course it didn't go perfectly

courage enough personal growth potential

Of course it didn't go perfectly. How many times had you done it before this? 

It's easy to feel disappointed in ourselves when we fall short of the level of excellence we expect. Holding ourselves to a high standard is a great way to grow, but we also have to be reasonable.

Capacity is expandable, but it needs either gradual stretching or a completely different system. Either choice requires adjustment and iteration. 

Progress counts. Mastery is possible; you just need more practice.