ETS:
I’m driving in a city, intensive traffic both lanes, I’m in the left lane. Approaching a junction where I know I will be turning right. I indicate right, look at the right mirror to see what the flow of traffic in the right lane is like
The blue lighter which was about to shoot past you has now lost possibly vital life saving seconds by braking hard because it cannot take the risk that you might pull out - had you looked first you would not have indicated - at least a good driver would not have …