Rho and I went to the Art Museum with her parents last summer. And I was in the impressionists gallery...I am completely fascinated by impressionist work. So, I'm standing very close to this Monet, noticing the fine pointillism work. Yet, I'm not actually breathing on it...I have my head tilted. All of a sudden, this angry looking security guard comes over, and says, "Sir, you're going to have to step back! Please do NOT touch the paintings." Then the guy kept his eye on me for the next 2 rooms.
To be honest, I don't know if I was *that* close to being thrown out or not. But given the worth of the art in that place, I figure I was fairly close.