145,000 businesses start-up each year in the US. Many launch in garages, home offices, or in the case of Stonyfield Farm, a drafty old farmhouse on a New Hampshire hilltop with seven cows, and a dream. Like most entrepreneurial ventures, the company also had vision, tenacity, some capital, market research, and an understanding of expenses, competition and supply chains. How a new business will affect the personal lives of its leader, or the lives of their families and spouses, however, rarely figures into a business plan.