Julie London's song "How Long Has This Been Going On?" is about the intense feelings of love and passion that have taken the narrator by surprise. The lyrics convey a sense of bewilderment and awe at the depth of emotion and connection they have found with their partner. The song starts with the narrator expressing their astonishment at the revelation of these intense emotions, wondering where they have been all this time. They ask their partner, referred to as "little wow," about the duration of this love and how long it has been going on. The lyrics continue with the narrator describing the physical and emotional sensations they experience in their partner's presence. They mention the chills up their spine and the indescribable thrills that leave them in awe. The narrator also compares this newfound love to the discovery of a whole new world, just as Columbus felt when he found America. The chorus expresses the narrator's desire for their partner's affection, asking to be kissed and not wanting to wake up from the blissful moments they share. They express their gratitude for this unexpected revelation, realizing that they were unaware of the depth of their feelings before. The song ends with a repetition of the chorus, emphasizing the narrator's astonishment at the intensity and longevity of their love. The lyrics convey a sense of joy, wonder, and appreciation for the profound connection they have found with their partner. In essence, "How Long Has This Been Going On?" is a song that captures the surprise and awe experienced when discovering deep love and connection with someone, expressing gratitude for the newfound emotions and cherishing the intensity of the relationship.