The unique factor about Post Food Anger is that the stages do not have any particular order to them and can occur at any time after the victim has ingested the food. Most times the sudden and violent outbreaks occur in front of many people, leaving everyone very confused and understandably scared for their lives.
Student 2: Yeah lunch tastes delicious!
Student 3: F*ck you guys.
Student 1: Oh don't worry, he just has Post Food Anger.