The song "Not So Lonely" by Colin Hay is about overcoming feelings of loneliness and finding hope and freedom. The beginning of the song describes a storm brewing, but despite the intense weather, the narrator finds comfort in the love they share with their partner. This reassures them that they are not alone. As the song continues, Hay sings about the power of hope and how it can help us find our way out of difficult situations. He sings about walking down the streets and feeling his heart beat stronger, and how love can be like a burning light that cuts into the mountain like a river. Hay also sings about leaving the wind and rain behind and filling his cup with wine, embracing the good feelings and letting go of the negative ones. He ends the song by saying "We're not so lonely" and expressing a desire to write a book or at least a story, showing that by finding hope and freedom, we can create meaningful experiences and connections in our lives. Overall, the song is a message of hope and resilience, encouraging listeners to embrace life's challenges and find the strength to overcome them.