There is a sales man and he knocks on a door.The man who answers says,” i don’t need anything today.’  The next day, the salesman returns. “stay away,’ he is told. “The next day, the salesman is back. “stay away” he is told. “The next day, the salesman is back. The next day, the salesman is back. The man yells, ‘You again! I warned you!’ He gets so angry, he spits in the salesman’s face. The salesman smiles, wipes the spit with a handkerchief, then looks to the sky and says, “Must be raining”  If they spit in your face, you saay it must be raining. but you still come back tomorrow.