I talk to other drivers all the time, despite the fact that they can't hear me.
Here is a sampling of things I have said out loud in my vehicle recently:
- Seriously?! That is your version of yielding?
- See, you can't be in this lane, because I am in this lane right now.
- Sure, go ahead, ride right on my tail. That's a good idea.
I am, apparently, very sarcastic with people who have no idea what I'm saying.