Actually, I've been humbled by a lot of things lately, but I felt particularly put in my place by my bike ride this evening. I took the road bike out to Flatwoods after work, in my first real effort to do more than the typical 12-mile route I do. I thought this new route, a paved path without the interruption of traffic and surrounded by trees, would be inspiring. And while it was a beautiful setting, I just didn't have a great ride. I can't seem to go much faster than 15mph, and even then other cyclists buzz past me as if I'm barely turning my feet over. My thighs burn constantly, one knee gets tight, and my hands cramp. I know I don't have a lot of power in my legs--it's been pointed out to me more than once, but this was ridiculous. I struggled to just get through 18.66 miles. Meanwhile, a man comes up along side me for some chit-chat and tells me how he's just out for a 38-miler. He asked me what speed I was trying to go, and when I told him 15, he pre...