Our lifestyles are a direct reflection of various factors, including our personalities, jobs, and responsibilities at home. Parents' lives are presumably much busier and more stressful than those of the child-free. Teachers will lead much different lives than doctors, cops face a much different set of pressures than, say, couriers and chefs.  Some of us have more active social lives than our peers. While I have only three really close friends in my life, some people would need more than two hands to count all their buddies.  There are those who embrace a busy, strenuous life, and then there are people like me who prefer a more relaxed, deliberate pace. Neither is necessarily better than the other. We are each wired differently and derive stimulation from disparate sources -- the more introverted among us from reading, writing and other solitary activities, and the rest from social engagements like parties. Some of us go to church, others to sports games.  So...