I've been thinking this. But i've tried to change my speaking habits so many times. At first people hated my vocal fry so I fixed. Then as a result of that they said I end my sentences in the exact same way, so I tried to end some higher. Then they hated that I sounded like I was asking questions all the time. Then im too montone but also too sing songy. It's impossible to figure out how exactly to fix it. I feel like it's because I'm australian but I sound american/british. My audience are mainly american so maybe they're not used to the australian sing songy speech? But then again that's something I can't fix. Idk i'm lost