Bad driving is subjective, many people will probably dislike my driving as I do theirs.
I tend to overtake on wherever there is available space (''undertaking'') and on motorways I tend to ignore the speed limit pretty much always except at speed traps. Vmax+50km/h everywhere when traffic allows...
Everyone makes mistakes, I tend to often curb my wheels when parking... Used to have 16''-ers so I could use kerbs as regular roadways without too much troubles (they looked like new even after 5 years), but my back wheels (now 19''-ers) look as if I'm a woman driver
. Quite frankly after the first few times I gave up taking care, I try to avoid the kerbs but if you quickly want to park somewhere sometimes you just don't mind. Especially if you spend 5-10x per day parking on average. Also I tend to misjudge and kerb the inside of a corner once every 6-12 months. I accidentally punctured my tyre like that once on a corner of a junction
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For the past 5-7 years I do tend to take it easy in built-up areas or with busier traffic.
To be fair most of my bad driving has been because my attention has been far too concentrated on people tailgating me or otherwise driving badly behind me - while it doesn't exactly make me nervous or panicky probably worries me more than average and I can make poor decisions sometimes on what is going on in front due to it.
This for example I have very little understanding for, I've almost never had this happen almost ever in 13 years of driving except for once where my car was in it's emergency run and I couldn't go over 70 kph (40mph?), and when it does happen when someone else is driving in my car I just tell them to chill the hell out and ignore the car behind you, his/her problem (unless you have to do an emergency brake).
Basically never worry or panick about someone tailing you (unless you suspect it's the rozzers), **** them... Or just drive faster, if you make the best progress possible for the situation you can I tend to notice nobody will ever tailgate you. I've had people crawling up my ass if I'm stuck behind traffic, then I'll often be moving closer to the edge of a lane to show that I can't go any faster because of slowpoke in front of me, 100% of the time the car behind you will increase it's distance from you once they see you can't go any faster (or move over). But I often tend to agree with that person and want to go faster myzelf.