I have recently begun biking up the hill here in Santiago, with a goal of three times a week. Not because I think it's good for me (I do) but because I love it. Somewhere beneath my heavy breathing and pounding heart, after I pass through that threshold of ten minutes of suffering, it feels, how can I say it, if not good, it feels right. It feels like medicine.
Check out what I wrote about it at my other blog.