איוב כ:כ פירוש: רש״י

For he did not know [He] never [knew] his stomach to be at rest. His stomach always says to him, “Rob and bring [food] to fill me up.” Therefore... with his beauty With the flesh of his coveted beauty.

he will not save anything because it will continuously diminish. Similar to this is (Ps. 39: 11): “You make his beauty melt away like a moth.”