That's Not Gross! Sexual Arousal Lessens Disgust

The researchers found that the women exposed to sexually arousing material found activities that might otherwise seem sexually disgusting, such as touching seemingly used condoms, significantly less nasty than the other participants. To a lesser extent, sexually aroused women also found non-sex-related disgusting tasks less foul.

http://www.livescience.com/23136-sexual-arousal-dampens-disgust.html