The mathematical equivalent of taking your glasses off to become instantly attractive. Calculus? Put those glasses on tight, buddy. "Real Analysis Without Proofs"? Now we're talking sexy math. It's like promising all the intellectual status without any of that pesky rigor getting in the way.
Every math major knows the dirty little secret - we all fantasize about skipping proofs. "Just give me the formula and let me calculate in peace!" It's the mathematical walk of shame we've all done at 3 AM before an exam.