I’ve noticed a lot posts saying that people don’t stutter when they talk to themselves when alone. But I stutter just as much when I’m alone as when I’m talking to people. Is anyone else like this too?

I’ve noticed a lot posts saying that people don’t stutter when they talk to themselves when alone. But I stutter just as much when I’m alone as when I’m talking to people. Is anyone else like this too? Does this mean our stutter is more physiological?