Dear Emma
You are naturally very frightened and almost any advice will be hard to think about let alone act on, but as far as is possible, think just about one or two things at a time. Otherwise you get overwhelmed. Don't think about treatment for years, think about living for lots and lots of years. Think about all the knowledge there is about treating breast cancer. It's normal to fear the worst, it doesn't mean it's going to happen. Everyone at this site knows how it feels to just keep turning the news over and over in your head, you think you will never get used to it. But things progress, change, sometimes better than you had hoped. I am sure you will have lots of advice here, and I hope you have friends and family to support you too. It's a lot to take on and take in, but everyone finds they are stronger than they think. Just take one step at a time. One step. Then the next. Then one more.