The sexy woman wasn't mad, just tired. It was a long day of adventure for us and that was towards the end of a full day. Here is the color album, http://www.flickr.com/photos/7296018@N07/sets/72157605231749249/.
I am experimenting with black and white and I think it's very effective for potrait. I think people look sharper and more vivid in black and white and the background is less distracting.