GRUG LAUGH AT MAN WHO BUY WHEEL. WHY CAN'T MAN MAKE WHEEL HIMSELF. MAN INSTEAD BUY MANY WHEEL AND PUT ONTO &quot;CAR&quot;. MAN GO FAST. MANY CAVEMAN TRADE FOR &quot;CAR&quot;. CAVEMAN THINK &quot;CAR&quot; MAN SMART AND HE IMPROVE LIVES. 