No it doesn't, what? How do you think learning works? I couldn't remember what 7 times 6 was on my 4th grade test and now it's impossible for me to know it. I get that it's hard to see because it's so normalized but it's ridiculous that our education system is based on fixed time intervals. God help someone who needs to take a little more time on the material before mastering it, guess you just fail. And when we create a system that punishes anything less than perfect forever we end up selecting good test takers rather than good doctors.