In his youth he can be satisfied by serving himself alone, but as he matures self gratification is no longer as satisfying. 他年轻时,只要能服务自己就很满意了,但是成熟后,自我满足已不能让他满意了。
And their sense of happiness and self satisfactoriness was much stronger than today. 他们的幸福感和自我满足感也比今天强。