If she chose to help you, there should be no strings attached. It is not the same as if you had negotiated free sessions with an expectation of later payment. This truly sounds like her issue.
I had a t. once (who began as a rather hard-rule person re: money) who decided to see me for half, then for free. Whenever I brought it up (he said he would fight with the ins. co. for money) he said "It is not your problem." End of conversation. I think that is professional.
I have chosen to give people money/help; and if I choose to do it, they do NOT hear about it from me later. I do not expect anything for something I freely choose to give.
It isn't fair to the other person, who probably doesn't feel great about needing help to begin with...(& I know that feeling too...)
Sorry, she can't have expectations of your behavior based upon her "kindness" towards you, she is doing a job. Your job is to bring yourself to the sessions and be as honest/open as you can---and to try new things to change your life...