Watching your parents flirt is by far the only childhood memory that turns from cringe to actually very wholesome as you mature and realize how much effort they put in to keep themselves together.
Once we adequately colonize Mars, it would make a good place for nursing homes, since gravity there is lower and people with weaker muscles could move around more easily than here on Earth.
Somewhere there's a piece of paper that's been in the same printer tray for years because new paper is always loaded on top of it before the paper runs out.