Remember: The poem uses identity, loss, childhood, and isolation as central themes. Focus on how Duffy shows that change - whether moving countries or growing up - always involves losing something precious.

Remember: Focus on how Duffy uses the onion to show realistic relationship dynamics - the good, bad, and complicated bits that traditional love poems ignore.

Remember: The half-formed ghost metaphor shows how these images haunt the photographer. Focus on how Duffy explores our disconnection from distant tragedies.

Remember: Focus on how the list "unwrapping each other, rapidly, like presents" shows what their relationship used to be like - spontaneous, exciting, alive. Now it's all gone because of one selfish wish.

Remember: The personification "laugh of a bell" shows childhood's joy, while "heavy, sexy sky" signals the confusion of adolescence approaching. Focus on this transition from security to uncertainty.