In case #965,304,877 of Man Attempts To Convince Woman To Take Her Top Off, a male physician on The Doctors recently claimed that the best way to find your perfect nude lipstick isn't to study undertones, or download makeup apps, or test out the Sephora Color IQ device in-store — it's to examine your nipples. Are they a dusty rose? A sandy beige? A Mocha Frappuccino? Take the shade, match it to a lipstick, and voilà!