Similarity Between Schools And Girls?

Pappu Ke Dost Golu Ne Us Se Pucha
Golu: “Pappu Tera Dimag Bahut Tez Chalta Hai Na,
Chal Bata Ki What Is The Similarity Between Schols And Girls?”
Pappu Ne Sochte Hue: “Simple Hai Yaar, Both Have Periods“