I have no way of knowing what's going on, my imagination is running wild to the worst case scenarios
Stop it now! Stop thinking the worst. You have no control over this. You have no idea what is going through her mind so don't even try.
Going dark: do you think yourself as being a "controller" if not - DONT.
Just leave the lines of communication open and - wait. She is hurting as much as you are. She's thinking things through and you need to give her time to sort all her sh*t out. Watch, wait and see.
I know (and so do so many others who are on the BB) how painful this might be. Nothing you can do about it apart from use the time to sort your sh*t out. Get some R&R and work on yourself. Do "things".
Just do it!
We're here for you - rant, rave do everything you feel you need to do - just do it here first!