"Because every normal adult goes through a developmental stage as a toddler that looks like malignant narcissism. Sometimes, that stage might be called “The Terrible Twos,” and it is the only perspective the toddler brain is capable of maintaining: that they are the center of the Universe.

Toddlers who suffer either neglect or indulgence will leave this developmental stage without having completed it. They will mature into adults who still maintain a toddler’s self perception."