How well do know your friends? When you close your eyes can you imagine what they look like? Hopefully you can, but for some you might only be able to pick them out of a lineup. Do you know if they're right or left handed? Do you remember what color their eyes are?
My brother challenged me to visualize what my friends' hands look like. I was surprised by how few I could describe. While this may be a reflection on me being relatively unobservant, it's interesting that I am able to remember some. I was surprised that I couldn't visualize the hands of many people that I see everyday. I wonder what other forms of subliminal ordering that my mind makes about the relative importance of my relationships. It doesn't seem to correlate with who I'm most comfortable with.