They’re related psychological phenomena (also highly related is going to be your perception of and relationship with your own father). This is why an understanding of the goodness of G-d is important to cultivate.
It should also be noted that it says in Genesis that G-d promises not to destroy the world ever again like He did with the flood. This is important psychologically because it prevents this type of apocalyptic millenarianist thinking.
Why are you writing G-d instead of God?