I think if women really want to keep men's interest then they should invent a perfume that smells like a combination of steak, motor oil, the interior of a Ferrari, and popcorn.
When I was at university, my art studio classes were held in the same building as my then-husband's math lectures. He came home one day and told me he had thought for a moment I was in his class because the door opened and he caught a whiff of "me" - that is, turpentine!