Stress relief, or how I learned to stop worrying and love the sex

The AP reports (via Wonkette) that sex can reduce stress levels in stressful situations like public speaking. The study, published in Biological Psychology, found that the effects can last for up to a week and "Penetrative sex was far more effective in this regard [reducing stress and blood pressure] than masturbation or oral sex". I wonder if it works for job interviews...