Yeah, it's the curse of expertise. Unfortunately after a certain point of expertise it becomes hard to get a feeling what for what is easy or hard for understan

Yeah, it's the curse of expertise. Unfortunately after a certain point of expertise it becomes hard to get a feeling what for what is easy or hard for understand for laymen. I remember a professor complaining that every year the exam questions he thought were easy were often the questions his students got wrong, while the exam questions he thought were hard were the ones his students got right.