 talking about sexual activity, the way we talk about diet, the way we talk about food, without it having this kind of connotation that there's something not quite right about it, then we would be a step further. But we have to do it in good taste. We have to do it in such a way that we don't ask each other personal questions, that we leave a certain amount of mystery in that sexual sphere and still bring about good scientifically based knowledge.