In "Morning in the Burned House" by Margaret Atwood, the imagery of lipstick imprints symbolizes transient moments of love and longing. The description of these marks as "the shape of grateful, rubbery sighs" evokes a sense of nostalgia, highlighting the bittersweet nature of memories associated with past relationships. This line suggests a mixture of affection and loss, where the remnants of intimacy linger in unexpected forms.

The use of vivid language captures the essence of fleeting connections and the emotional weight they carry. Atwood's ability to weave such imagery into her poetry reflects her exploration of human experiences, particularly the complexities of love and remembrance. The line resonates with anyone who has held on to the traces of affection long after the moment has passed, making it a poignant expression of the human condition.