That’s what we call it at our house. I can make the case that people change, circumstances change, this isn’t necessarily a healthy habit, etc.
On the other hand, as long as The Switch is used sparingly and only after considerable thought and deliberation, it can be a really useful asset. It allows you to accept things and move forward without regret.
Yes–people change. In fact, I assume they do. And I can be happy for them without witnessing the change firsthand.