New research shows certain types of male butterflies can create an anti-pheromone they cover their partners in, hoping that the smelly chemical will ward off other males. Definitely not the most thoughtful Valentine's Day gift ever. Plus: data analysis shows the language people use about their relationships can predict a breakup months before it happens!
You know how some couples have their own song? There’s actually psychological research into what are known officially as “couple-defining songs," and there are legitimate benefits to the relationship to choosing a tune to share. Plus: next time you're in Japan, drop by Neko Neko Shokupan and share one of their famous cat-shaped breads with someone special.