The speaker reflects on the presence of a beloved individual, indicating that their presence brings light to their life, dispelling the darkness of night. By seeing their face, it is evident that they are not truly isolated, as love transforms even the darkest settings into something bright and fulfilling.
The speaker concludes that they cannot truly feel alone when the object of their affection fills their thoughts and environment. This profound connection with the beloved makes the world feel complete, suggesting that love creates a sense of belonging and companionship, rendering solitude meaningless.