Ginny knew that Mrs. Weasley had one rule about what she thought of sex, "Mum says that you shouldn't do it unless your of age and your married," she said, "but most peole don't wait that long," she knew this was true, she had heard all sorts of things at school about girls letting boys touch them and letting it go too far.
Looking a Luna curiously she smiled, "it wuld depend on what kind of sandwich."