Do you girls ever hide the fact that you have a crush on a cute guy?

like kinda act like your not that interested when you really are? is it a good sign a girl likes you if she jokes around with you? like this girl pretended she was gonna hit me with the door and she also tried blaming me for spilling a coffee lol think she is interested?
Do you girls ever hide the fact that you have a crush on a cute guy?
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