Ryan Kwanten: I think it's important to get your sweat on and to not just limit yourself to one particular sport. To do nothing but lift weights to me would be a quick death. Life has too many great things to offer in terms of physical exertion. I think you always need a sense of clarity, whether you get it through meditation or going for a hike, when it comes to bettering your life. It may not work for everybody, but it does for me.