Online Girlfriend asking for money?

Hello,
I have an online girlfriend , she's having her birthday tomorrow and she is demanding a birthday gift.
We barely know each other and we don't know each other fully but she's insisting on a birthday gift , she keep telling me that I should send her $200 , for me I don't like that she's asking for a gift as we know each other since 2 weeks and haven't met in reality, so what should I do to not to lose her and make her upset , or I shouldn't move forward into this relationship.
Online Girlfriend asking for money?
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