The mathematical evolution of sanity in one image! 🧠📉 The Real Analysis student is having an existential meltdown over epsilon-delta proofs - literally crying because unless you can prove that for every tiny positive number ε there exists another tiny positive number δ where the function values stay within ε when x stays within δ of c... well, CATASTROPHE ENSUES! The horror! Meanwhile, the Precalculus student is living their best life with the "pencil test" - if you can draw it without lifting your pencil, boom! Continuous! No tears, no Greek letters, just vibes. It's like watching someone progress from "I enjoy a glass of wine with dinner" to "I HAVE CONSTRUCTED A VINEYARD IN MY BASEMENT AND DEVELOPED 37 THEORIES ABOUT FERMENTATION!!!"