Can you edit my essay introduction, added below, please? When I finished reading the novel, I was bolted from the blue because the way Amelia...

You have several switched around words or phrases that are
almost right but not quite there. The first relates to the idiom that you write as "bolted from
the blue." The idiom is actually, "a bolt out of the blue." This idiom alludes to lighning, an
electrical bolt from the blue heaven. It suggests the figurative meaning of receiving a great
shock. Idioms are difficult for everyone because their meanings are not literal, they are
figurative, and based upon a cultural understanding as to meaning. The result is that anyone from
another culture, or not yet well versed in the idioms of their own culture, are prone to misuse
or misunderstand them. The correct wording of your statement is: "I was hit with a bolt out of
the blue because ...." 

The next phrase confuses two words that
rhyme. You write, "Amelia was dejected by Lymon." What you actually must mean is "rejected by
Lymon." "Dejected" means to be disheartened or depressed, whereas "rejected" means to refuse to
accept; to rebuff. While you have written that Amelia was depressed and disheartened by Lymon, I
suspect you mean Amelia was refused and rebuffed by Lymon, which would give you a shock like a
bolt out of the blue.

Your next sentence has some significant
difficulties. I'm not certain I can decipher your meaning: "As a lover Lymon took the steps
towards her on behalf of Marvin but these characteristics of Lymon broke Amelia." Apparently,
Lymon was only showing affection toward Amelia at the prompting of Marvin, who, for some unstated
reason, had an interest in Amelia thinking Lymon was fond of her. However, Marvin's and Lymon's
scheme backfired because (1) Lymon rejected her and (2) the fact that Lymon would act this way
shattered Amelia's confidence and happiness. If this is the meaning you intend to express, then
you might rewrite the sentence this way: "Lymon acted as a lover to Amelia at the prompting of
Marvin, who had some interest in Amelia's happiness, but learning of Lymon's emotional fraud
broke Amelia emotionally."

Since this answer format does not allow
for a word-by-word or even a line-by-line analysis of your Introduction, I recommend you go
through it word by word yourself with a good dictionary handy, like Oxford Advanced Learner's
Dictionary or Longman's Dictionary of Contemporary English, and check for the correct meaning and
usage of each word. This will take you a long way toward identifying further confusions of words
and phrases.