Once you begin to notice how human behaviour suddenly changes and if seemingly out of nowhere towards you into being highly unusual, you can start to learn why.
Understanding why a person is being a certain way, and why particularly this way towards you, starts by infiltrating their personality disorder.
You may be surprised to know that human traits, many follow their nature, they seem to be unaware of, word by word to the exact letter of the book.
They are, quite literally, a walking textbook, following themselves in an almost sequential step by step system across a page whereby mannerisms can be traced to the roots of their discontent.