My wife and I both read the book and we were both amazed at just how much chemicals play a part in our sexuality. Since dopamine is so powerful and can cause problems when your brain is over stimulated we both decided to take eight weeks and reset our brains. Now I must say that I was addicted to porn and masturbation for almost twenty years so I know my brain was over-stimulated to the max. But during the past eight weeks my wife and I have been using several of the bonding methods from the book, minus the more sexual ones, and it has done wonders for us. I really believe that it has helped lower my cravings for dopamine. Instead I have been filled with oxytocin and it has felt great. So, is there any benefit in going longer than eight weeks? Will I continue to feel even better? My wife and I are going to start the three week exchanges, but we want to make sure we have given my brain enough time to reset. Thanks for any feedback.