It's already December 16th, leaving us only fifteen days more in 2008. I've started to think about how my 2008 has been. In regard to health, I feel I've got weaker this year. It's got harder for me to run long distance and it's got more painful after I do it. These days I run very slowly, run less, do alternative cardio workouts or don't exercise at all! I've run less and less after my knees started to bother since last month. It's not like I ran a half marathon. I just ran 45 to 50 minutes and I felt discomfort on ...

I don't run long distance a lot these days, but I certainly experience "something high" even with 5 mile running. Not all the time and not all to the same intensity, but quite a lot and quite "high". I actually come to enjoy running while my knees might be in pain as if the mood change has raised tolerance against pain. It feels refreshing and energetic, and I feel joy of jumping whenever I step each foot ahead. Like many other runners, I can probably call this "runner's high". But it's true that runner's high has been debated for a long ...