With respect to readings, the Attitudes book from this site is probably a great prep. Then the Big Book, making sure to conceptually substitute the word Alcohol with Lust, and drinking with lusting, alcohol with addict.
With respect to triggers, I would avoid the baalei batim section until you have a bit of step work done if you are that sensitive.
For me, recently, the biggest breakthroughs have been 1) praying every morning (full prostration on the ground), reciting the words that I offer to myself to Gcd, to try to feel as much as possible that I will govern myself in according to spiritual principles that the day has set out for me; and 2) smiling/laughing a bit. Not taking our failures too seriously especially if it will lead us to further regression and acting out.
For instance, what is the definition of an addict? Someone whom, upon hearing about Geheinom, is more concerned about lack of Internet access than about the heat.