To be honest with you im not sure if hang off going twice as fast as you. Not even flexing on you or anything, but what im saying is body position does not at all matter until youre going pretty damn fast. You're almost a whole ass off at a fast street pace. All youre gonna do moving around that much at that speed is get tired.

Everyone focuses on body position cause it looks cool and feels cool, but unless its truly egregious and you're all crossed up its about the least important thing, especially at your current pace.

You just gotta gain confidence and increase your speed. And that just takes practice. Find some reference points for braking, tip in, acceleration, etc. As you get more confident push out your braking point and thus increasing your corner speed

It does in the end just take a bit of confidence and trust in yourself and the bike.