Easy 10
Brain dead MUG SHEEP
Or you're old enough to be invisible to them, so you can gawp at them to your heart's content without them noticing.
This tidbit was brought to you by Silver Linings 'R' Us.
True, although I've been leching for years through the medium of dark sunglasses. I have eyes like a chameleon, and can swivel them to almost impossible angles to track some precocious sluttage, whilst my head remains largely static.