Unlike the welcomed pain popularized in Fifty Shades of Grey, this book is about a type of pain that dominates but does not titillate. There is no role reversal. There is no safe word. This is not pain that arouses nor returns any favors. It intrudes. It erodes. It infects and affects every part of who you are and spreads a contagion of darkness to those you love. Whether a small nuisance or a disabling problem, conventional solutions to pain are...