Still trying to wrap my brain around being challenged by the universe. As far as I can tell the only thing that has challenged me is my own limitations but then I passed mid life crisis about 15 years ago and settled into who I yam
In the same way, people seeking a path to lasting contentment with the benefit of some good spikes of true happiness might find this book helpful.
https://www.amazon.com/Achieving-Lasting-Happiness-Positive-Change-ebook/dp/B00359FCWO and yes, I researched and wrote it.