Today was the first day of my Divvy riding. I successfully, and enjoyably, rode from Union station a half mile west to my library. I don’t think it saved me any time, but I think it will save me some money and give me some exercise at the same time. I went to the gym and at least I feel like I’ve had a full workout. I figure that if I use Divvy three times a week to work, that’s saved me minimum $24 per month. Four times is $32. At that price, if I bike for two months, I break even. I don’t mention riding back from work, because…