Weekday mornings, hot and sweaty from my morning workout, I leave the overheated gym. After buckling my helmet and zipping up my jacket, I fumble with the combination lock that is usually upside down. When my bike is free at last, I hop on and peddle toward home. It’s then that the cool, clear morning air hits me. Crisp and refreshing it washes over me as I gather speed. I suck in lungs’ full of the clean, mountain air and rejoice in this small thing that feels so good.