>>>I found it a lot easier driving a manual (stick shift to them over there) I hired in Spain. The gear stick was on my right and I'm right handed . It was surprising the difference it made.
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>>I was good at geometry (and as a mathematician I had several courses of various geometries) and find a lot of practical uses for it, to the point where I tried to pull a glass door because it said pull on the sticker - but ah the sticker was on the other side of the glass and I read it without thinking that I'm seeing it from the wrong side. I'm also right handed, but at some point got worried that I'd be nearly useless if my right hand was in cast, so I practiced doing things with my left - writing, using the knife etc. These two things can be really handy - pardon the pun - when I was teaching and got into that corner of the blackboard where I'd have to turn my back on the class to use my right, I'd take the chalk in my left so I'd still see them, and the skill got their attention, all the better. And the fork goes into the hand nearer to the salad, knife in the other.
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>>Having said all that, I can't imagine myself driving on the left. No way. Had I trained myself to it within the first ten years of driving, perhaps. Now after 40+ years of driving on the right, I'd find it very hard to teach my brain to override the routine.
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>I've pretty much forgotten how to drive a manual car now. My wife needs an automatic so we've always had them and that whole reflex of clutch gears etc has gone. If I drove a manual now I'd be sounding and looking like a learner ,revving engine , kangaroo starts , stalls etc.

Add an automatic handbrake.

It's a pain to go back to manualy operated cars ....