9. Steady As She Goes
Whether we know it or not, our brains are always watching out for our best interests. This is evidenced in part by one particular reason we like to revisit old movies, books, etc: therapeutic benefits. When it comes to familiar stories, it is impossible for them to surprise us. This allows us to consciously choose the mood we want to indulge.
10. Getting Meta
The fourth result Russell and Levy found was particularly fascinating; existential awareness. According to the research, revisiting symbols from our past allow us to re-analyze our relationship with them. In the long run, this mental exercise provides us a deeper understanding of ourselves and the nature of life in general.