It's rude to not show up to a date.
Linda is supposed to go on a date tonight, but she stayed out too late the night before and is extremely tired.
Linda wants to stay home and sleep.
Linda calls her date to say that she won't be able to make it that night, reschedules for the following weekend, and goes to sleep.
Linda doesn't tell her date that she won't be there, lays on the couch, and sleeps until the morning.
Linda's date is understanding and looks forward to the date the next weekend.
Linda's date arrives at the meeting place, waits for an hour, and is very upset that he has been stood up.