If you failed on your startup i would recommend you to read "The Right It: Why So Many Ideas Fail and How to Make Sure Yours Succeed" book by Alberto Savoia. Th

If you failed on your startup i would recommend you to read "The Right It: Why So Many Ideas Fail and How to Make Sure Yours Succeed" book by Alberto Savoia. This will give you basic tools to succeed and an explanation for why you failed before. Check it out and you will understand why you failed building your startup. Also don't get over your self, try to give some time for your self and take rest then after reading this book start building something new that you can test and validate the market. Good Luck.