OK I'll bite. but first, I'd remind you that like the Norfolk Staples I too drive an ultra reliable Swedish motor.
Indicators are your best friend. They announce to other road users what your intentions are. With that small piece of shared knowledge, your sudden change of direction will have had the element of surprise subdued, the sting of your bullish swerve to dominance dulled. You will infuriate fewer fellow road users and befriend more. You will demonstrate consideration, thoughtfulness, pre-meditation, politeness and good manners. Further, others, armed with this encyclopaedic wealth of knowledge of your next move will allow the trafic to flow so much more smoothly. Roundabouts will flow again, road junctions will empty more smoothly.
And more importantly, my heart rate will stay at a sensible level for the entire journey.
Your secod paragraph, in stark contrast of the first, is spot on mate
