Maybe a coach or vet would be best to advise. But in general it does not signify any change in their thinking. It us better she sought you out than someone else.
She didn't want you to get the wrong idea, so she repeated herself. So don't build this up. Give her space now. Do not pursue. Get out of the house.She is afraid you will be drooling all over her. It is what she expects you will act like. By not doing what she thinks you will do will give her more to think about.
Is she leaving at the end of the month? Has she handed notice at work? Has she mentioned anything? Do not ask.
R 25 years M 14 years S11 & S13 Working on it alone since Oct 2014 M in trouble a lot earlier (~2 years) Feb 2016. 1st R chat in a yr. Next R chat Aug'17 Still together