The brain is a funny thing. But the heart, yes, the heart, is worse. It betrays you at the worst of times and denies all reasoning that the brain tries to reveal to it. And when this happens, well, good things fall apart. If they were ever good in the first place. -~- When Harry's grades in Calculus start to drop, and Louis's in every other class, they are forced to tutor each other. Two boys that are almost exact opposites, spending almost every day together. What could go wrong?