By 12 months of age, he stopped peeing in his cloth diaper. By 17 months he was wearing tiny underwear and, now almost 6, he has no conscious memory of ever pooping in a diaper or of wearing ...

At one point, she recalls him waking up and questioning where his poop had gone. "He’s been potty training since he was 1," Scarfino says. "He wears diapers overnight, and we try undies during the day ...