It’s been awhile, but I have had some that went south. I’ve even had some that I thought went pretty well up until a point and then I knew they were doomed. Forbes has some advice about those terrible interviews in
Not that you can necessarily redeem the experience, but you can learn from it. One of them is something I had to learn the hard way with lots of things in life. Don’t beat yourself up. After a period of reflection, move on! You can’t change what’s already happened. Get what you can from it and get on with your life!