I guess it has been just over thirteen years since my life changed. It was a cold, grey, and wintry morning in December 1996 when Sam and I were on our way to do some errands. As I was walking towards the car to put him in his car seat, I slipped on a patch of black ice on our concrete driveway and smashed the back of my head, hard. The next thing I knew, Sam was sitting on my lap crying, everything was very fuzzy, and my head and neck really, really hurt. This is how my mild traumatic brain...