At a glance
Mutual pining means romantic longing runs both ways. The characters may not realize their feelings are returned, or they may know and still be unable to act. What makes the pining mutual is reciprocity, rather than whether either person has confessed.
In reader conversations — invented example
“She saves the seat beside her for him. He arrives early just to get it. Each thinks the other is only being kind.”
Sources consulted
- Fanlore, “Mutual Pining.” Community terminology; distinctions and example are editorial.