input: [Verse] 10 [King James Version] And he said, Blessed be thou of the LORD, my daughter: for thou hast shewed more kindness in the latter end than at the beginning, inasmuch as thou followedst not young men, whether poor or rich. So he said, "May you be blessed by the LORD, my daughter. You have now showed a greater kindness this time than you did at the beginning, by not running after a younger man, whether he be poor or rich." [Analysis] 
output: Ruth was not obliged to Naomi to fulfill any part of the levirate transaction. She would have been perfectly within her rights to marry a man younger than Boaz was. By the best reckoning available, Boaz was 124 years old at the time.