Is it true that the more nervous a girl is around guy, the more she likes him?

Anonymous
I'm just curious. There's this girl who seems to act differently around me compared to other people. When I talk to her or say hi to her she acts surprised and a bit intimidated. The tone and pitch of her voice changes and it's a lot softer and reserved. She laughs at even the lamest jokes I make and somethings I didn't intend to be funny. If we're alone or there's not many people she gets VERY nervous and is clumsy .eg. Drops stuff, can't look me in the eyes, voice cracks, deep breathing.etc. So do girls get nervous around guys they like or am I just freaking her out ?
Is it true that the more nervous a girl is around guy, the more she likes him?
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