Since reading this book I have been on two backpacking trips with my sons. because"it doesn't weigh that much","an extra one won't hurt" and"just in case". I took some of the advice to heart, but basically ignored most of it. I'll admit I'm not in great shape, but after that first hike of a miserable six miles I was exhausted and my shoulders ached! I stopped on the second hike. reasoned and used as many tips as possible in a reasonable amount of time, and significantly reduced the weight of…