Why start put a x on end of your texts or messages to a guy?

Why start put a x on end of your texts or messages to a guy?
Why do girls put x's on the end of texts to guys especially when she didn't before to a specific guy?
Why start put a x on end of your texts or messages to a guy?
Does putting more x's on the end of text mean anything?

Would you start doing it if the guy meant something to you even if was just one x?

Regards.
Why start put a x on end of your texts or messages to a guy?
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