Answer:
Life Review
Explanation:
Barney is engaged in life review process where one person return progressively to his or her consciousness of the conflicts and memories of the past which were never resolved properly, the main purpose is to re-evaluate them and to find some kind of resolutions. This is one of the most common phenomenon in which older people are engaged in their post age life where they re-call and remember their early life memories, mistakes, regrets, and unfinished tasks.