By eating with face turned westwards, one acquires great riches. By eating with face turned northwards, one becomes truthful in specch. Having finished his meals, one should wash all the upper holes of one's body with water.
धन्यं पश्चान्मुखे भुङ्क्ते ऋतं भुङ्क्ते उदङ्मुखः॥ अग्निमालभ्य तोयेन सर्वान् प्राणानुपस्पृशेत्।