It might help to write it in a format that isn't blaming and gives her cause and effect.

I feel__________________when you ___________________.

I feel afraid when you go out and drink until all hours.

(I don't know if that's what you feel, this is just an example.)

Be honest.

Me 57/H 58
M36 S 2.5yrs R 12/13

Let me give up the need to know why things happen as they do.
I will never know and constant wondering is constant suffering.
Caroline Myss