What should I reply to this?

Wrote my ex the reason why i can't continue talking to her and playing her. Told her I'm still in love with her and she doesn't want me and she wants her ex boyfriend. Wrote my heart out.

Her response was:

Her: take care
Her: sigh, are you sure you don't want to play with me? I don't have anyone else to play with
Hours later: Her: I guess not
What should I reply to this?
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