People who live to 100 years old have an entire century of life experience that they can pass on to the younger generations. One 103-year-old has shared her secret to a long and happy life, and it all comes down to continuous positivity and optimism. 103-year-old’s secret to a great lifeThe woman was speaking to TikTok user Sprout, who interviews people for their live advice, and explained that the secret to a great life is to always “look for the light”. “If you’re looking for the darkness, you’ll find it. The sun always comes up and the moon comes up and the stars. There’s always light to be…