Why do girls lick their lips or stick their tongue out and wave it in front of their mouth when I talk in the conversation or when I make eye contact?

During a conversation when ever i say something back or after I look away then look back a lot of girls immediately lick their lips or stick their toungue out and wave it across sideways while its point up then it goes back in their mouth.

why do a lot of girls do that during a conversation with me?
if it helps im a attractive guy
It could be a sign of interest, or sexual interest, or nothing
it could be a sign of sexual interest or nothing
It could be a sign of interest or nothing
Its a sign of interest or sexual interest
Its a sign of interest
Its a sign of sexual interest
Its nothing
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Why do girls lick their lips or stick their tongue out and wave it in front of their mouth when I talk in the conversation or when I make eye contact?
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