There are things the writer has made himself and there are things which are a normal human character. Chara lai guleli hannu that is a normal thing when you are a kid. A lot of kids who do that but it doesn't mean it is a sign of murderer.  As a kid you start liking an opposite gender nothing unnatural. I liked a girl when I was in the Nursery not a big deal. It is nothing but a human nature. 

Nepali samaj ma 75% parents think they should get married to the girl of their choice but this does not lead to genocide or homicide.  

Someone must have inspired him or loaded him with money to make a fake story.