When you are just standing there watching two people kiss, you have time to think. When they go on kissing, and on and on, you have more time to think. And notice things, like all the people here in this airport who are also watching them kiss. These kissers are your son and his girlfriend. The people are smiling, laughing, nudging each other. Look, look, young lovers! Of course the kissers don't notice the people, they don't notice you, they don't notice anybody but each other. She is on her toes, her arms around his neck. He is leaning down into her face. Their faces are stuck together. How can they breathe? You were smiling, and smiling some more, but then your smile got tired and the next thing you kn