Visit somewhere smelly like a farm and your sense of smell is blown away by what you would call pretty odiferous smells. Stay there a few days and the smell see

Visit somewhere smelly like a farm and your sense of smell is blown away by what you would call pretty odiferous smells. Stay there a few days and the smell seems to lessen. I guess the receptors get blasé about these molecules to help you cope with your new environment. So I would go with the idea of saturation.