 तस्यैवं वर्तमानस्य कालस्समभिवर्तत ।अग्निं शुश्रूषमाणस्य पितरं च यशस्विनम्।।  
 Worshipping the firegod and attending on his renowned father, he will spend a long time living in this manner practising vratitva mode of brahmacharya. 