I think, I might be a little too used to the comforts of the digital media.
I was drawing today in the park, and i really concentrated on the sketch i was working on, when a girl sat next to me. She startled me a little bit because i didnt hear anyone coming, and i messed up my drawing.
My first reaction? Undo. I was even looking for the history window for a split second.
Needless to say, the girl decided to get quickly away from the wierd guy with the sketchbook, who started to laugh for no apparent reason. :D