GUIDANCE     Once in a while you come upon a born loner who is intense and competent. That kind of person finds a skill and hones it to the nth degree, then finds a niche in that skill – often as an expert and often as a consultant - and occupies it. This takes that guy or girl out of the competition: They own some specialized turf and are untouchable, entrepreneurial. The personality of this kind of person is intense, is private, and seems noncompetitive until you tread upon his or her turf. T...