If she remembers little details from a couple months back is that a sign of interest? This is someone I hardly know thoughts?

Basically my point is:

We both recall the most basic thing exactly said 2 months ago and I don't interact much in general.

Is this a sign of interest or possible interest?

I was at a function about two months back I was talking to the two people that were having it. I saw the two before the previous day, and I talked to the someone there about something unrelated.


But at the function, (I don't know their names and they don't know mine).
The girl gave me something and I told her my vision isn't great, she helped me with it, but I didn't need any real help and my vision isn't that bad that I needed help. This whole interaction was under 3 minutes.


She then said that she had perfect vision. That was it, the full interaction. I then left.
I've seen her around areas we both frequent like the gym and made small talk over the past month. Basic stuff like for a minute or two, only here and there. Maybe 3 times.


Few days ago I ran into her again, I asked her what she studies and then she told me her field.(The field has to have perfect vision for it.)


I said " that's' why you have perfect vision". She stopped right there and repeated it back to me " that's why I have perfect vision", She remembered it exactly. I think she's hot and that's why I remember her saying that. I remembered it as I am mildly interested, that's why. She was clearly shocked that I remembered those details but she clearly remembered saying that to me a full two months ago.


I don't know if she even knows my name. Our interactions are extremely brief. I remembered it as I have mild interest.

Is it the same for her? She perfectly remembered it from 2 months back exactly? She knew exactly what was said, I repeated it exactly, she knew exactly as well what from.


Generally people remember things important to them. I remembered it as I have mild interest and thusly paying attention...


Is it a sign of it being mutual? She knew it perfectly and from that specific interaction from 2 months back.

Updates
9 mo
she's also more chatty with me when no one's around when someone is like they walk up or hovering around, then she jams up
If she remembers little details from a couple months back is that a sign of interest? This is someone I hardly know thoughts?
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