Just read your sitch. You're right, you don't owe it to her to act like close friends at this point, that's so unfair to you. Also, LRT and 'going dark' can only help your detachment further... I agree with Kat, know that you will get through this!
Me 40 H 39 2nd M- 6 months No kids Previous D, 1st M DBer from 2003