Every condition reverses itself and it tries to become normal. That’s universal. This equanimity and balance holds true in almost every aspects of the life.
What increases will fall back and what downgrades will upgrade to become normal. Every losses has some kind of gains and every gains come with some losses. As a saying goes, “For everything you lose, you gain something and for everything you gain you lose something.” Well, it’s all about balance. That how we humans and the nature, as a whole, is evolved.