IIN to break a 10 year friendship after one horrible conversation?

I think she will, I've watched Sarah have fallouts in the past and she's never just walked away from a friendship without it either getting fixed or being dragged out into round after round of drama. This time I'm obviously hoping for the former scenario, but I have to accept that it will probably take some time.

Thanks for your responses by the way I have, for better or for worse, read every comment on this post and you've been a nice level-headed voice.