What you invest in is where your heart will be. My wife and I just bought a gym membership. Yup. Anyone who knows me well knows I have about zero love for physical fitness. As I write this email I'm sitting in front of my computer eating Skittles. From a bowl. My daily work uniform is pajama pants and a graphic T. I hiss like a vampire when I step outside and see the sun.  I've always said my heart just isn't in all that fitness stuff. I don't care about it. It doesn't matter to me. I mean, I...