Through past-life regression, Dr. Brian Weiss says it's possible to heal—and grow—your mind, body and soul, as well as strengthen your present-day relationships. He says one of the most common signs of a past life is déjà vu—the sensation that you have met a person before or have visited someplace previously. Sometimes, this déjà vu feeling is a sign of a past life with a particular person or in a specific place.