Augustine does not disagree with this when he teaches that it is a faculty of the reason and the will to choose good with the assistance of grace; evil, when grace is absent.
But now, being a parent, I go home and see my son and I forget about any mistake I ever made or the reason I'm upset. I get home and my son is smiling or he comes running to me. It has just made me grow as an individual and grow as a man.