Any of these events can place you in a hole of darkness, despair, anger, loss, anxiety, worry, or grief. You did not have anything to do with creating the situation but you must live with it. The hole can indeed be deep and dark, and you have to struggle long and hard to climb out of it. This is the nature of life. Some things are out of your control.
Unexpected events happen.
Change always occurs. The most that you can do is adapt to them the best you can. You must struggle out of the hole into which you were thrown and journey on. Hopefully, you grow from such an experience and become a more mature person who is better able to cope with other pitfalls of life.