By way of example, “catbird” and “cat” in line just one and “loathes” and “loved” in the final two lines of the ultimate stanza. Duffy’s presentation of love makes use of very simple family objects like “brown paper”, a “Picture” and also a “marriage ring” "Love Poem" by Donald Hall, https://zionboajq.creacionblog.com/32209902/what-does-valentine-poem-onion-mean