Individuals having narcissistic personality disorder have 'overly self-centered & predatory of others' behavioral habits.
A habit is a pattern of action that is performed on a regular basis and occurs subconsciously. According to the American Journal of Psychology, a habit is "a more or less established way of thinking, willing, and feeling formed via previous repetition of a mental event." People who participate in habitual behavior sometimes go unnoticed since they do not need to participate in self-analysis when performing normal duties. Habits are often compulsory. A 2002 daily experience research by habit researcher Susan Wood & her colleagues indicated that around 43% of everyday acts are conducted out of habit. Through the act of habit formation, new behaviors might become automatic.
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