I’ve done so much for her for "thank you". She doesn’t even touch herself.
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Read your own phrase again and realize that "unselfishness" on your part does not smell. Either do not hypocrite and position yourself as a caretaker (but then be ready to leave after receiving a rejection), or friends honestly, and don't pretend to be allowed to kick.
Yes, for the future – help and support in friendship is mutual, not in the gates alone. If you think that you are asymmetrically used in friendship - a person, regardless of gender, not a friend, "and so" - as in a song. But in this case it is you rush to win and deceive trust - so the problem is clearly not that.