This is established in the following lines “I no longer love her, that 's certain, but maybe I love her” (line 36). He states how he may still love her reinforcing this sad tone of love of confusion and heartbreak. Compared to the previous sonnet, Tonight I can write is a much more complex sonnet as Neruda writes these conflicting lines
Personification is a major literary technique used especially in Tonight I can write as it captures the essence of loneliness. Comparing the love of another to object such as in the line “My voice tried to find the wind to touch her hearing” (line 31). Here he is comparing the love to everything around him and that he tries to move on yet the love that was once there was so strong that he cannot forget the relationship.
The love displayed in Tonight I can write sonnet is contrasting to the love that is passionate, joyful, and cheerful displayed in I crave your