Sometimes when blogging gets tough, when I sit and stare at a blank screen for hours, I often ask myself why I blog. “It’s for our memories. It’s the best souvenir I can get,” I’d tell myself. Otherwise, I’d forget. But then I realize that if it really is to document my memories, then I’m doing the world’s crappiest job at that. When I started this blog, I really thought I was going to write about everything we do and…