How to know if a girl is interested or just being polite via text messages?

Anonymous
Hello, I would like to know how can we know if a girl is interested in the conversation or simply being polite.

Hoping to get as much feedbacks as possible, thank you ! :)
Updates
+1 y
Thank you for all of your answers, I just wanted to figure out what are the signs that shows that a girl is interested in what you are saying and not only being polite/friendly.

I'll be glad to read more answers, since it will provide us some deeper knowledge on this topic.

Best regards
How to know if a girl is interested or just being polite via text messages?
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