system
nostalgic: I toured my old high school as part of a reunion.  It brought back many memories, mostly good ones. 
human
I have mostly good memories of high school.  I wonder if time erases the bad ones. 
human
I had a blast in high school. I wish I could go back.
human
I'm kind of would like to do it again as well, knowing what I know now. 
human
Too bad we couldn't use a time machine.