My girlfriend is very money minded. She says she has changed. Please see details Will she actually ever change?

for my girlfriend money is very important. She is never satisfied with the salary i earn. We both are planning to get married. Recently she said she's changed and won't think about money a lot. But i wonder will she really change in the long run or its just for time being. once we get married issues regarding finance shouldn't arise again. What should i do?
My girlfriend is very money minded. She says she has changed. Please see details Will she actually ever change?
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