If anything is certain in this world, it is that things always change. And there is nothing you can do about it.
Sometimes, the best thing you can do is – accept the change as soon as possible, since that is really the only thing you can do. Many years ago, I was complaining about some injustice to my former boss, and all she said to me was: “It is like it is. It’s better for you if you accept it sooner, rather then later.” I was shocked at the moment, but I remembered those words and … well … accepted the circumstances. A month or two passed and things changed again – this time for the better.
But, of course, in most cases you actually can do something about the unpleasant change that you are facing. In that case: