The problems that I really like to solve are our cultural problems.
I still drive my 1977 Honda Accord. The paint is almost all worn off. It's still running.
I don't believe I've ever cuddled my elses.
Human languages tend to be much more ambiguous than computer languages because humans are much smarter about interpreting the context.
In general, they do what you want, unless you want consistency.
You canโt change the past. You canโt even change the future, in the sense that you can only change the present one moment at a time, stubbornly, until the future unwinds itself into the stories of our lives.