Answer: You need to thank the Creator for showing you that our world has no value. It has always been like this, and now, it has finally lost its value in your eyes. You have clarified this. So, you need to be grateful for it.
Question: What is happening inside a person when he has a feeling like this?
Answer: He understands that it is not worthwhile to live for the sake of our physical world. However, there is the next, upper world that it is worth living for, and you can discover it and attain it today!
From the Kabbalah Lesson in Russian 9/24/17