Saturday, 7:15 pm There's one thing they don't tell you: When airbags go off, they stink. Well, as anniversary weekends go, ours pretty much sucked. We drove up to a motel just past Waxahachie, in a town called DeSoto. Checked in, freshened up, changed clothes then headed for Dallas. We killed a couple of hours at the Galleria, then headed to Texas De Brazil for much carnivorous goodness. Dinner was wonderful. We splurged on a piece of chocolate mousse cake to go – we never did find out if it was good. It just started to rain as we left…