I liked your email approach a lot. You said she replied already and is angry you brought it up and I am curious how she replied. Did she email you back, call you, etc.? I am asking for a reason, not just morbid curiousity.
PF
Me; 42, W; 43 M; 16 yrs S12, D9
3/13 - "I want to move to XYZ City (four hours away) and it might be without you, not sure" 5/13 - "Not sure I meant that"