Some people are so determined to think through every detail of every possible eventuality that they can only see opportunity in the rear-view mirror. The window of opportunity for many profitable investments, career options, or relationships sometimes closes before she is comfortable with making the move. By the time she determines to act, the time for acting has passed.
Good judgment is one thing.
Prudence and caution before taking a risk is appropriate. But the inability to make a decision and take action is not a virtue. Then there's the variant of analysis paralysis that I'll call the penchant for perfection. It is the person who must make all As in school, be the top performer in the company, and always be acknowledged to be right in family decisions. Some researchers claim a link between the penchant for perfection and depression.