Girls, Is it any sign when a lady crosses her legs and has her foot pointed very close to your leg?

She was sitting next to me on my left. She had her legs crossed and left crossed over her right leg. Her left foot was right up against my leg but not touching me. Is that a sign of anything she doesn't know me well. I've noticed she is quiet with me but will happily help me if I'm stuck with something. But will make some small talk with me. I've only ever been nice to her so why would she be quieter with me.

Girls, Is it any sign when a lady crosses her legs and has her foot pointed very close to your leg?
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