I'm not really personally.... not intentionally really. I don't want to know what is going on with others unless it's actually effecting me in some way.
I tend to look out my window more than others probably, but that is because every little noise I hear sounds like it's happening in my front yard.
I observe people and analyze, but I don't think that is the same thing.
I could potentially be very nosy most likely... or seen that way to some, but it's in attempt to understand why they do certain things.
But again, I don't really seek out the information-I only get that way if I'm told about something.
However, I can see where it would go the other direction, too, where someone would be super curious about other people and want to know why they are doing things all of the time.
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Sorry about the incredibly long post...
"I enjoyed the meetings, too. It was like having friends." -Luna Lovegood