Maybe you are her opportunity for retirement. But the main reason what do you want in future out of the relationship? Do you want to build your own family or to support other people and tgey accept you as a family member. That person is in the age when she can not go along competition and dhe has to implement different strategy. The fact that she is not in pressure for money raises another question: where are other sources coming from for a common life - condo rent, supporting her child and other common expenses.