Do fertile women turn you on? There is evidence that dancers earn higher tips while ovulating than when not ovulating, and the effect is masked when they suppress ovulation by using oral contraceptives. And it's all unconscious.
Check it out at the New York Times Science page:
http://www.nytimes.com/2011/02/22/sc...=1&ref=science
or, for you hard-core types that what the primary source, here's the journal citation:
http://www.ehbonline.org/article/S10...069-4/abstract