Hi @Djk
I'm almost in the same boat as you, Her2 positive and just finishing my chemo after six months. My mastectomy surgery is in about two weeks time and I have been so positive and brave about it until about now. I had my first scan since diagnosis yesterday and that just bought all the anxiety and tears back even just sitting in the waiting room.
It's quite a journey this, and nothing can prepare you for it as they say. I also had counselling when diagnosed but find strength now in speaking with others who have walked or who are walking the path.
One thing I say to myself when I'm feeling low is that I that I want to live, I want my life, so whatever I have to do to get through this, I'm just going to do it and keep pressing on. We can't change what has happened to us but we do get through it, often surprising ourselves with our own strength. Whatever you are feeling, that is ok too, be kind to you as you go along.
Wishing you all the best for your surgery :)