How typical is marbling in a sulcata? Mine seems to be showing a little bit. Also, if any of you smart people can give me a little insight on the color change they go through. It seems like more than just sun bleaching, I know the ones that get outside are the ones that get brighter, still, what's going on to make that happen? I guess I'll try to get a good pic of the marbling tomorrow, my baby is sleeping.