Being shy and being introverted are often used interchangeably. But many introverts do NOT define their personality as shy. Instead, introverts will tell you that they CAN indeed interact and socialize comfortably with others but it’s just not their preference.
The intro in the term introvert is the key. Introverts are typically very introspective: they spend a good deal of time in self-analysis.
They examine their own thoughts, preferences, perceptions and observations to gauge their life’s direction and make life choices. So, introverts are NOT simply timid individuals who do not possess social skills.
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