Do you know your love language? Maybe you've done an online test — tested your partner — spent time talking it over — even made decisions about your relationship on the basis of your love language.But where did this concept of love languages even come from? And how good is the evidence that backs it up?Today, two research psychologists go deep on the concept of love languages — and what they really mean for your relationships.Want more relationship content from All in the Mind? Check out our episode Why heartbreak hurts so bad.

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