I think they mean to ask for honest feedback, it's quite possible your lack of success is linked to the mindset you have. Expecting to fail us one of the most common reasons to fail, but knowing that success requires a lot of failure is a much healthier approach.
Have you you tried therapy to work through some of these issues? It's helped me quite a lot
I've found if you accidentally take a spam call it can be fun to string them along and waste their time for a good 30m if you've got time to kill, the humour is great but it also gets you blacklisted for a while and they stop calling