Well, I live in Miami and we follow different rules down here.
I've spoken with cops that have seen me drive a little erratically and they told me they would have done the same.

But like you, I drive a lot so now I don't pay attention to anything except the road and the cars around me. I know the laws and what I'm supposed to do and I do it.

When a car doesn't go, I simply beep the horn very politely and promptly.. and i get behind them but with enough room to stop if they decide to brake on a green light. lol.... they do it all the time.

what i love is when you are minding your own buisness in your own lane and a car decides to get right in front of you(when theres another two lanes open) and on top of that, slow down.

it happends to me daily.
im telling you man, miami driving is ridiculous.