Knox, Indiana( CNN) Jadon McDonald examines the picture book and speaks the words aloud: my, he, she, the. He runs on the allure, use a deep-throated caveman voice and flashing a huge smile after each word.
His twin brother, Anias, sits nearby in a specially designed wheelchair, playing with a soft keyboard he can touch with his feet. His movements are more restrictive, his mobility more limited, his speech more strained.
The boys, born joined at the head, formerly had to do everything together. Now three years old, they’re learning to navigate countries around the world apart.