Nietzsche isn't simply saying love makes us a little crazy—that's the greeting-card version. He's suggesting something more unsettling: that love's apparent irrationality contains its own hidden logic, a method beneath the seeming chaos. When you find yourself rearranging your entire schedule around someone else's needs, or defending their flaws to skeptical friends, you're not abandoning reason so much as operating under a *different* calculus, one that weighs loyalty and devotion as heavily as self-interest. It's why the most levelheaded person can become unrecognizable in love, yet somehow make perfect sense to themselves the whole time.