MICHEL MARTIN, BYLINE: Love songs are so important. Think about all the songs that have been the soundtrack to your relationships. (SOUNDBITE OF SONG, "I HONESTLY LOVE YOU") OLIVIA NEWTON-JOHN: ...

Love is in the air, and there’s no time to waste planning this year's Valentine’s Day celebration. Handwritten card? Check. Cute Instagram post complete with a V-Day quote? Done. Dinner reservations?