Instagram has become our visual online journal: we post next to anything, whether it's what we eat, what we're wearing, or where we're going. It's a collection of moments, little square images that reveal a slice of who we are to our followers. Take 49ers quarterback Colin Kaepernick, who had a big season last year and holds the team's top job now. The man is kind-hearted, stylish, and built like a beast, and his Instagram profile shows this to a tee, along with much more about the 25-year-old athlete. Here are the 15 Life Lessons You Can Learn From Colin Kaepernick's Instagram.