Psychology was being practically ...
Professor put one piece of cake on one side and a whip on the other side ...
The mouse immediately rocks the cake
The second time the cake was changed to the bread ...
The rat rook that side
Many times the food items change but the rat ran on the food side every time.
Professor: so students, its proven that hunger is bigger than than girls ... ..
Ranchor Das Chhancha from the Last Bench said: Sir, see also Chahiya changes once, maybe he is his "wife" ...