Answer:Malingering
Step-by-step explanation:
You remember when you were young and you didn't want to go school as a result you would pretend to be severely sick just to get a day off school; this is referred to as Malingering.
We exaggerate our situations with the hope that we may get a reward.
Some people may fake injury in order to claim an insurance or get prescription drugs. Some when they are facing serious criminal convictions they will act crazy on order to get away with it based on the reason of insanity.
What causes it?
Malingering is always driven by a desire to obtain a certain reward but it can also be associated with serious personality disorders.