I'm sorry too Michelle. I hope you can all come through this stronger and with peace. I know you've taken big steps to start getting yourself healthier - keep focused on that, step by step. You are strong and capable.
It can help to let your mind wander and mull over your experience while your hands are doing something else to keep yourself feeling busy.
Instead of trying to write, how about just letting yourself doodle, or grab a paintbrush and just make abstract lines and blocks of colour. Make an "angry" painting if you wish. Another favourite of mine is sanding down an old table or the back fence and repainting it. There's something very soothing in a rhythmic motion like that. Even ironing can work!
I found these links this morning -
Poet Gregory Orr describes his belief that the process of transcribing an experience into rhythmical words gives us control over its meaning. As a child, Orr was responsible for the accidental death of his brother.
And
Isable Allende learnt from her dying daughter that what you could give others was your most important asset.