Question: How much advance planning is optimal? Some people like to plan everything well in advance, while others prefer to allow events to unfold and make decisions on the fly. Is one approach better than the other? How much does it depend on the circumstances? How can people with different preferences coordinate comfortably?

Question: What's the difference between extroversion and second-handedness? According to Wikipedia, extroversion is "the act, state, or habit of being predominantly concerned with and obtaining gratification from what is outside the self." A key distinction between introverts and extroverts is that extroverts mentally "recharge" by interacting with other people, while introverts do that by being alone. Does being an extrovert mean that you're second-handed? Is it a moral failing of any kind?

Question: Are "introversion" and "extroversion" valid as psychological types? Sometimes people classify themselves and others as "introverts" and "extroverts." What does that mean? Is the distinction valid and useful? Why or why not?

Question: Why do you think most women typically have disdain for men who are 'too nice'?