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!
Butterflies Mark Their Mates To Repel Other Suitors (University of Cambridge)
Reddit Study Reveals How Many Months It Takes To Get Over A Breakup (Inverse)
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