He should stand erect and never bend down for energy is manliness. One away break down at his knots (weak points) but he should not bend down.
उद्यच्छेदेव न नमेदुद्यमो ह्येव पौरुषम्। अप्यपर्वणि भज्येत न नमेतेह कस्यचित्॥