It's good to keep your house tidy.
Sarah has a group of friends coming to her house for dinner and movies.
Sarah wants to prepare for the visit.
Sarah throws all the trash away, dusts and vacuums and wipes down the counters.
Sarah kicks some empty food boxes and soda cans under the table and calls it a day.
Sarah's friends compliment her on the clean house, and they relax into a nice evening.
Sarah's friends see how dirty and unkempt the house is, and feel uncomfortable and gross while there.