Any tool that offers a shortcut to happier relationships is bound to be popular, and the Love Languages quiz is no different. Created 30 years ago by Gary Chapman, author of "The 5 Love Languages: How to Express Heartfelt Commitment to Your Mate," the questionnaire in the book reveals how you most like to receive love. Impett and her co-authors evaluated existing research on love languages and found that most people use and feel support by a mix of all five. A "balanced diet" of affection is needed in order to cultivate long-lasting love, the study says. "Thinking of love as a nutritionally balanced diet keeps all expressions of love on the menu and invites partners to share what they need at a given point in time," Impett says.

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Persons: Gary Chapman, Emily Impett, Impett Organizations: University of Toronto Locations: Mississauga