im cooked

the way he explained #3 with the r/r made things more complicated than need be. i got it right and understood it until i watched his explanation. #feedback 

This is a genuine question - Is it bad that I am not having to map out any of these types of questions? I have found these to be very intuitive, but I'm worried I'll screw myself in the long run if I'm not mapping these out like J.Y.

what the hell is this stimulus

if i got the answer right on my original try, why did it flag it for blind review?