When we love something, emotion often drives our actions. This is the gift and the challenge entrepreneurs face every day. The companies we dream of and build from scratch are part of us and intensely personal. They are our families. Our lives. But the entrepreneurial journey is not for everyone. Yes, the highs are high and the rewards can be thrilling. But the lows can break your heart. Entrepreneurs must love what they do to such a degree that doing it is worth sacrifice and, at times, pain. But doing anything else, we think, would be unimaginable