Girls, Is it a good sign if a girl is warming up to you more?

She is becoming more comfortable with me. She and I don't know each other but recently we've been talking a lot more and she is iniating a lot of the contact in person. I do like her too and when we talk I can tell she is happy to see me. She does laugh at things I say.
Girls, Is it a good sign if a girl is warming up to you more?
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