I'll bet that in general, the extroverts of the group type and submit first, think later (just as they usually speak first and think later), whereas the introverts think first and submit afterward (just as they usually think before they speak). (Of course, the problem for the introverts in conversation is that often by the time they formulate what they want to say, the topic of conversation has changed 5 times....) (I'm not putting extroverts down, mind you; I wish I could spout off comebacks in a flash rather than finally think of a good retort 4 hours later!)

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Communication is the key.