The context of the following conversation is Tracy was relieved that her friend was alright.  She knew that Aubrey almost died.:
Tracy says When I got that call last month that Aubrey had been in an accident, my heart stopped beating..
The friend responds I can only imagine because I know how close you and Aubrey are..
Tracy responds It was so scary to know that she had been hurt and then the wondering if she was going to pull through. It was so hard..
The friend responds I am so glad that she ended up pulling through..
Tracy responds You have no idea. I cannot imagine living without her in my life..
The friend responds I am sure she is glad to have you as well..