This was a time of ongoing religious wars known as "Holy Wars". The capital of the Byzantine Empire, known as Constantinople, had fallen at the hands of the Turkish Ottoman Empire, who practiced the Muslim faith.
As a response, the western Christians gathered in arms and started a series of military campaigns known as <em>"The Crusades"</em> with the objective of retaking territories that were currently under Turkish (Muslim) control in the name of God. Spain had been one of these conquested territories, so at the time, people living in the Iberian Peninsula could be either Christian or Muslim.
Avery thought his new math teacher was cold and ineffective but it turns out that by the end of the year, he liked him. This is an example of the bad or wrong first impression. You might think that you know how a person is but once you get to know them more, you realize that they're not what you thought them to be.
The “big-five” approach to personality disorders is receiving recognition. It is now having a great amount of research supporting and being done on it. Further studies are being done for future references. This “Big Five” Theory of Personality Disorders describes all people with personality disorders under five supertraits. Part of this theory is to drop the use of personality disorder categories altogether.