Nazanin detention a blot on British diplomacy, husband says

The transcript discusses the anticipation and anxiety surrounding a family member's return, highlighting the emotional and psychological impact on Gabrielle, who is counting down the days. Concerns about diplomacy and the hostage situation are expressed, with a focus on the uncertainty and promises made to Gabrielle about her mother's return.

What metaphor does the speaker use to describe Gabrielle's anticipation of her mother's return?

In what ways does the speaker describe Gabrielle's experience with promises made by adults?