Imagine a man meeting the fi rst real love of his life when he s 63 and she s already been dead three years. Does life continue after death? Do we enjoy sex after death? Comedienne Lily Tomlin once affi rmed the latter question, asserting there is sex after death -but you can t feel it. I beg to diff er. Of course, our sensual experiences are not awash in the same physical sensations most people associate with sex. Th ey can t be when one partner is a spirit. But if you can imagine separating the physical causes of these sensations from the sublime sensations themselves---you ll get some...