Why would a girl tell you she wouldn’t date you if you were the last guy on earth then say another girl would date you?

It seems like a counter active statement, since my run in with this girl I haven’t had the self esteem to try again. I mean girls try to be around me but it’s like my brain says you know what happens don’t be stupid this will just happen again
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Why would a girl tell you she wouldn’t date you if you were the last guy on earth then say another girl would date you?
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