Story links for NightLife April 29 When you have more sex with your partner you may not say you’re happier, but computer tests show there’s a difference in your relationship. When a woman poaches another woman’s partner – it may be the first one who’s better off. Could gut bacteria be linked to how likely people in the military are to get Post Traumatic Stress Disorder? Multitasking creates distracted people. Now there’s a simple solution for sharpening attention – just breathe. And there’s one emotion that can help you resist the impulse to be impulsive. And what difference does a deep voice make to how persuasive we are?