MEET JACKDadness. Women have a sixth sense for it. To them, you're like an old bull in a field at the side of the motorway, harmlessly chewing the cud, watching the world race by, nothing like the wild buffalo stock from which you came. And that's how it should be, of course, after seven years of marriage to the woman you love. But, lately, as I've looked around, all I've seen is temptation. From ...