d) Love cannot sustain one, but it is nonetheless deeply important.
Explanation:
The poem shows how love is "unnecessary" for our lives. It does not kill our hunger or our thirst, it does not protect us from anything, it does not free us from death, it does not free us from disease and it is not vital, such as oxygen, for example. However, love is very important for us to be able to live happily. Without it we can be lonely, sad and with a certain pain and anxiety.
In short, podema states that love cannot sustain one, but it is nonetheless profoundly important.
