: Reviewers at Time and Variety praised Seyfried's performance but noted the film's heavy, sometimes "PSA-like" tone regarding mental health awareness. Other Contexts The phrase "A Mouthful of Air" is also used in:

: The title is a reference to a line by W.B. Yeats : "O, what is life but a mouthful of air?" .

: Despite having a seemingly "perfect" life with a doting husband and healthy child, Julie is paralyzed by overwhelming shame, inadequacy, and intrusive thoughts.

: Her battle intensifies when she becomes pregnant with her second child and must stop taking the antidepressant medication that helped her maintain a semblance of normalcy.