Do it till you drop
Still, there's hope for Dr Zen. This game old bird is getting more than Catherine Millet, despite her creaking bones.
It's one of the last taboos, we often hear, that old people are sexual. It plays on our fears that our parents might, erm, do it. Or have ever done it. (The picture has now formed, hasn't it? And nothing you do can dispel it.)
For me, it's one of those things that I have no problem with people's doing, but I don't want to read about. Or watch. Or gawd forbid, take part in.