She explains that she had, of course, in the great tradition of tragic romance, chosen to love a boy who "was totally out of my reach".
Explanation:
The first option doesn't imply that anything is difficult for anybody, the second option simply indicates that the speaker wishes to see their love, and the last option just implies what kind of man the speaker likes.
Exclamation: If you're joining two sentences together you need a comma to do so. By placing a comma after "nation" and "then" you are making a run-on sentence.
