Answer:
The details that clearly expresses the theme in "Love is not all" is Lack of love can result in misery just easily as lack of food or shelter can.
Step-by-step explanation:
This poem shows the importance of love in our daily life. At the beginning of the poem, The poet shows evidence that love is not 'all', but towards the ending part of the poem, the poet puts love before peace or even before food if she was hungry.
The poet believes that love is as crucial as food, shelter and clothing or even more important than these listed. The central idea of the poem can be the infinite mystery of love. Millay shows that love is very important in our everyday life.