Our ability to learn by witnessing the behavior of others best illustrates:

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

Idisagree because it would have harmed our whole society. starting from the madness of the civilians to the mass destruction of towns.