H is for Hawk

MacDonald writes that 'in the imagination, everything can be restored, everything mended, wounds healed, stories ended'. How does this explain her relationship with Mabel and her own venture into the hawk's world?

I felt her grief drove her to enter the Mabel's world because her grief was so profound. By imagining how Mabel and White's hawk Gos lived, thought, and hunted, her life rebounded,