It's an interesting dynamic he has with his son. The player thinks Kratos would make a terrible dad, and Kratos would agree. He was very deliberately not a father to his son, until his wife died. He may be the ghost of Sparta, but he would still rather not throw his son to the wolves, so they both have to grow.

And, you know, carve a bloody path through the Norse Pantheon, too, because they won't leave him and his kid alone.