Ron wasn't a prude – far from it. But he had been with Hermione long enough to let her be the careful one for the both of them, and her practicality when it came to intercourse had rubbed off on him. He also knew from his parents just how easily someone could get pregnant if not careful. Feeling for Luna the way he would a sister, Ron counseled her the way he would caution Ginny. "You and Neville don't want to end up in a situation where you are having a child too young. Take it from me – with me and Hermione, I.... What.....?"