Why would a female friend get jealous, is she interested?

So, first of all, I'm on the spectrum so social cues kinda are hard for me to understand.

That being said; I noticed when a female friend hugged me in front of her the other day she seemed to go quiet, barely speaking to me. She did however hug me several times. I've noticed that when we are together her body language seems to be pressed into me like if we are walking outside her arm is touching mine.

I've noticed she'll post similar stuff online when I do. But ignores my texts sometimes. But replies quickly when she's less busy.


Why would a female friend get jealous, is she interested?
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