Question

Adults who arrive at a sense of integrity feel proud, but incomplete. life regrets. like something is missing. satisfied with their achievements.

Answer 1

Adults who arrive at a sense of integrity feel satisfied with their achievements.
 Erik Erikson describes he integrity in the stage " Integrity versus despair" which is the eighth and final stage of his theory of psychosocial development.
During this stage people contemplate their accomplishments and can develop integrity if we see themselves as leading a successful life.