Welcome!
JGNAT always has great advise and insight as you see... hit the nail on the head.
The ONLY thing i see... honestly since i'm in the middle of all this... is AT LEAST you got a letter. All my friends whom i thought i was so incredibly close with left me without a blink... and i'm not DFed or anything!
I dont know, so try to at least see that she is thinking of you... in a sick, mindcontrolled, damn cult way, but it's her way of showing freakish love at least.
(that probably doesn't help)