I do. I can rarely communicate them in a way that others understand them, though. Except when I am talking to fellow autistics - at least some of them, as I grasp patterns on an intuitive level, rather than always going through pure logic.
I can be very logical, but when I feel my mind is grasping something deeply meaningful, it is always through intuition. Also, this meaning is usally expressed (for me) in images, not language, so this creates an other barrier in communication I guess.
I am interested in languages as systems (or patterns, to stay at the topic), and foreign languages are one of my special interests, but despite this I don't trust them at all.
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Being obsessed with Asperger's Syndrome is a very Escherian place to be at right now.