The good people at Quell provided me with a free Quell 2.0 in exchange for honest feedback. All opinions and experiences are my own. Many of you are aware that I've been living in chronic pain since August of 2001. I was firefighter finishing up paramedic school and I got hurt on a call. I ended up with an L5/S1 left sided herniation and it changed the course of my life. Pretty much since that day, I've lived in constant pain. Over the last few years, I've been walking and that has made a big impact on my pain but it's always there to some degree. This pain, while better managed, still dictates a great deal of my life. I could sleep on the best mattress in the world and…