Katie writes in her book Love, Lipstick and Lies that her son can go into a “total tailspin” if his strict routine is disrupted.
Harvey was born with a limited pituitary gland and suffers from septo-optic dysplasia and autism. He was also recently diagnosed with Attention Deficit Disorder and Oppositional Defiance Disorder.
The reality star opened up saying: “We have good days and we have bad days, we have funny days and challenging days. But I love him to bits and he’s perfect for me. “