It's not your job to fix your boyfriend. Every battered woman spouts the same godmaker motto: "I thought I could change/help him." Who died and left you god? He has free will. Let him be a human, even if he's a stupid human, and choses to do nothing.
Tell Bubba adieu because your role is as unhealthy as his. Give him the link to CUREZONE.COM as a going away present. He needs to get schooled on Candida, for example, and other toxic states. Learning to forgive and forget may be done at the Foundation of Human Understanding. God bless!