It’s the million-dollar question: When you fall in love with someone, how long will that relationship last? Forever? A day? Apparently your oxytocin levels may have the answer! A new study conducted at Bar-IIan University in Israel suggests that the “love hormone” might indicate the length of the relationship. High levels that stay steady typically mean you’re hooked for at least six months, and dwindling levels mean ….well, you might not want to update your Facebook status just yet. In the study, high-oxytocin couples were also more touchy-feeling during the initial study interviews, which can increase oxytocin in the first place. But the question is, how can we tell if our oxytocin is steady? For now, only cupid knows.

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