Some self-reflecting is a good thing. Don`t be hard on yourself, you are still M to this man, & I do believe you showed her just that.
Going dark will be good for you. You need time to reflect some more. Take this time for yourself. It`s the most luxurious thing you can do for yourself at this time.
H will have a lot to think about. His F`s passing, ow, & you. She has seen you up close & personal, & you are the mother of the girls, you are a real person & now she knows it. I`ll bet she either backs away or puts added pressure on H in some way.