Juana was certain that the man she saw in the police photograph was the man who stole her purse. later, another man confessed to the crime. this is an example of

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. 

That is true , instead try to have a sit down talk with them