Kass...that email gave me the chills. Your H writes alot better than mine does but he always had those same thoughts. He completely blamed you for the demise of the M. I may be wrong, but he takes no responsibility for anything...at least very little. Its all about you and your lifestyle.
One time a therapist told me that exh says things like that so he avoids confronting and dealing with his own issues and guilt.
Me: 46 FWS: 36 Married and Divorced 4/07, Pregnant 7/07,False R 7/07 Baby Girl born 3/08 Kicked him out because OW: 7/08 5/10 He realized what he had and lost. Moved home! REMARRIED 3/14/11!!