In the long run, when he is benefiting from his investment, do you think that he will regret not having spent all his money on having a good time in his youth? Of course not!
أفيُعقل ان يندم لأنه لم ينفق في حداثته كل امواله على الملذات اذا كان استثماره يدرّ عليه الارباح ؟‏ !‏