add a "takeaway" for the reader.
Yes, leave a takeaway that will cause the reader to be having the thoughts you want her to have. What thoughts do you want her to have? You want her to feel motivated to take action that is favorable to you.
I can elaborate more on my fear and the fact that I had to do this in order to help myself along with my goal,
Is that really the best idea to convey? Overcoming fears,as a theme in an essay... it's a little bit cliche.
Oh, actually I was thinking for a moment that this was an admissions essay. Well, even though it is not, you still want to motivate the reader in some way...not just to give you a good grade, but to have a certain kind of experience.
If someone wrote a story that had a theme of overcoming fear, you would say, "Yeah, yeah, yeah, I have already heard stories like this." So you should really dig deep and pull out the gem that is excavated by the writing process. You have a unique insight to share. It may not be the most important thing in the world, but it is unique to your experience.
So, what is that subtle lesson you learned?
Also, try to find places to take out words. It always makes the writing more powerful. For example:
I spent my summer of 2009 in a classroom preparing
myself for the adventure of a lifetime.