As the youngest of four siblings , I endured my share of torture . We ' ve all grown up to be a loving foursome , but my brother Kurt ( 5 years my senior ) was particulary evil ( in a teasing way ) when I was young . Let me share with you the story of an older brother and his childhood antics .
According to the above context, choose the best option to answer the following question.
Question: Why did Kurt behave in an evil way when the speaker and their siblings were young ?
Options:
- He had serious self esteem issues that he dealth with by asserting his power over his siblings
 - He has always derived pleasure from causing others to suffer as much as possible
 - Children tend to act mostly on instinct and have not when learned about consequences
 - He is a bonafide psychopath and his early behavior is a clear reflection of this


Children tend to act mostly on instinct and have not when learned about consequences