DEAR ABBY: My wife and I have demanding jobs neither of us is crazy about. I sell insurance; she manages a hairdressing salon for a large company. At day’s end I keep the events of the day – good or bad – to myself. I have heard the saying “Don’t bring your family problems to work, and don’t bring your work problems home,” so I don’t carry any “baggage” home with me. If something positive happens,…