It’s not money. It’s also not how many vacations you take, or whether or not you have pets, or if you own a big house. So what, then, is the secret to living a fulfilled life? The highly debated answer to this question might surprise you. Nearly 2 million people around the world have spoken through a global survey conducted by Abbott, the global healthcare company. Most people feel the key to living a full life is family, followed by success, giving, and health. Interestingly, family outranked the next-closest factor by more than 20 percent.