I mean, I have driven both kinds of cars on the respective wrong and right sides of the road*, and the worst thing for me is the mirror being in the wrong place, because looking there is a habitual automatic motion. Everything else is fine, but my brain has a history of mirroring things to the point that I don't always know whether my memories are flipped or not. For instance, I broke my right foot when I was 14, but I can't necessarily tell you which one it was if you just suddenly ask me; I got hit by a drunk driver in 2007, who clipped me on the front right and made me spin out, but I swore up and down to the cops that he had been on my left, because that's what I remembered; Tommy and I went on a road trip once from Glasgow to London, and whenever I remember the driving parts I automatically see the american faster-on-the-left traffic patterns in my head, even though they were obviously reversed. Also, I am more or less ambidextrous, so it wouldn't really matter to me? I just thought it was the most logical way to do it. I always thought you would play guitar with your dominant hand on the neck, too, but whatever.
*sometimes people import fancy cars to places where their driver seat is on the "wrong" side compared to the rest, and I have driven a few