There is a phenomenon I see again and again in the classrooms I visit. As attention starts to wane . . . Eyelids droop. Fingers tap. Bodies sigh. . . . the teacher will speed up their instruction. They’ll talk and move faster as if trying to finish before completely losing the class. But this is a big mistake—because it only makes things worse. Here’s why: It’s boring. The urge to rush and get done quickly will inevitably cause you…