Anakin couldn't help but chuckle. "She's an infant, Threepio. She has very few wants, and they're listed as food, sleep, and comfort. If she doesn't have one, the only way she knows to tell us is to cry."
He looked at the droid, brow furrowing in thought. "Once we're at the Sanctuary, we're going to need your help with the children, Threepio. How do you feel about learning some new skills?"
There had to be an absolute abundance of child care information available on the computers. Threepio was programmed for protocol, but his programming was extremely adaptive. Even if his personality wasn't.