> The reason his students find his problem sets "emotionally trying" is that they're getting a taste of what real work is like. What? No, it's because they're

> The reason his students find his problem sets "emotionally trying" is that they're getting a taste of what real work is like. What? No, it's because they're already overworked with their actual research and don't have time/energy for this fake research on top of that.