Exactly, and some people just cannot ,and will never be able to, drive... those who have failed 4 or 5 times should just forget it. Even if they pass at attempt 7 (fluke) they will be one of those dangerous, hesitant drivers you see risking the lives of others...
spaced & tizzi are both correct to a point. At the end of the day it`s down to aptitude. I remember a pupil who was a Royal Navy Pilot & he was totally hopeless. It`s horses for courses. The older you are usually the harder it becomes (more sense of mortality probably!). Motorcyclists are tricky as well, `Cos they still judge gaps as if they`re only 2 feet wide! Only just under 1/2 the people taking car tests pass overall, & only about 1in5 1st time.