Why do our minds like playing in the past and reliving situations?
Do we relive good situations to make us feel good?
Do we relive bad situations to tease us?
Does this serve some function like bettering us?
Does it affirm our identity as being separate and unique, with unique experiences?
Is there some totally different appeal that nostalgia has on it's own, regardless of whether it's "good" or "bad" things we're remembering?
Trying to figure this out as I watch my mind drift all over the place. All ideas welcome!