I mumble a lot off-stage, I'm a mumbler. If I'm walking with...

I mumble a lot off-stage, I'm a mumbler. If I'm walking with a friend and I say something, he won't hear me, he'll say 'What?'. So I'll say it again, but once again he doesn't hear me, so he says 'What?'. But really it's just some insignificant sh*t that I'm saying, but now I'm yelling, 'That tree is far away.'