Have You Ever Laughed at Yourself? When and How Hard Did You Laugh?

So I’ve been very depressed lately and today I just lost it and just started laughing about how sad and unhappy I am right now, how essentially I am a failure at life right now, how I am just a total mess.
I know (depression) it doesn’t have to be permanent, but sometimes you just have to laugh at yourself, laugh through the anger and rage and destitution. Life....