Does she undress in front of you? Does she like the lights on or off if she is getting nude. Does she turn away from you when dressing, or taking her bra off.
I believe that body image is possible the #1 contributing factor to LD. How can they feel sexy if they don't believe that they look sexy? Some women adjust to this as they age, they don't let their looks bother them, they keep their sexual confidence (wish I had one), but it seems that for other women, as they age, they completely lose their sexual confidence and then they try to hide from us.