Eric is a stickler about drink coasters and insists all use one except his kids. He only gets to see his kids a few days a month and he wants them to want to come back so, he doesn't notice when they use a drink coaster. But his wife notices that he doesn't notice and she resents it. Eric, dude. Guests should get a free pass from using a coaster, but your children are not guests. You can't have a double standard and expect peace and harmony. Now, pass your kids a coaster and say, "Welcome home.