I tend to look at the ground, for 2 reasons...
1. Sensory integration issues- If I don't have visual points of reference, I can't maintain my balance. The ground helps with this respect.
2. Patterns. I get drawn into patterns, and the ground usually has intricate ones (floor tiles, sidewalk brickjs, etc).
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I am indeed a "proud aspie".
There are 10 kinds of people in the world- Those that understand binary, and those who don't.