I think in this song she's singing to her as-yet unborn child. Paulusma had two miscarriages between the release of her first and second album, something which had a strong emotional effect on her which she expressed in many of the songs on this album (particularly this song and "Day One"). In this song she's talking about the home she's made for her child (her own body) and willing the baby not to "go bailing out again" but instead to "grab onto something and dig in [its] heels", i.e. to survive.
I think in this song she's singing to her as-yet unborn child. Paulusma had two miscarriages between the release of her first and second album, something which had a strong emotional effect on her which she expressed in many of the songs on this album (particularly this song and "Day One"). In this song she's talking about the home she's made for her child (her own body) and willing the baby not to "go bailing out again" but instead to "grab onto something and dig in [its] heels", i.e. to survive.