In this poignant moment from Mary McCarthy's "The Group," the character grapples with the painful realization that her partner may leave without a final intimate connection. She reflects on the bittersweet nature of their last encounter, recognizing that they had not anticipated it would be the final moment they would share in such a way. The weight of this realization deepens her emotional turmoil, as she struggles to accept the abruptness of their parting.

As she processes her feelings, the character experiences an overwhelming sense of disbelief and desperation. The act of drumming her knuckles on her mouth symbolizes her effort to contain her anguish. Her repeated assertion that "It can't end like this" highlights her refusal to accept the situation, emphasizing her yearning for a different outcome. This moment captures her vulnerability and the profound impact of endings in relationships.