until his death in 2009.)
In some ways, realizing my limitations has been a good thing. I consciously decide whether something is worth an expenditure of energy. For example, every summer, I choose to hike into the high peaks of the Rocky Mountains, even though I know that the price will be steep and long-lasting because my spine does not tolerate long hikes without painful repercussions. However, I've decided that it's worth it to me.