New situation puzzles

The girl’s mother died. The girl was burying her, and at the funeral she saw the man of her dreams and fell in love with him. 14 days later, she killed her sister. Why did she do that?

A company produced knives for peeling potatoes. The manufacturers wanted to increase sales of their products and decided: if the knives disappear more often in homes, then housewives will buy new ones. How did they embody their idea?

Every night before going to sleep, Lisa locks the door of her house and attaches the key to a string. Why?

Camellia brought Valmont some wine. He looked at his watch, drank and died.

One day Mark hid his watch. What for?

He wasn’t hungry, but food saved his life.

A professor didn’t want to accept a student’s paper. Student: “Do you know who I am?” Professor: “I neither know nor care. And don’t try to frighten me!” But the professor still accepted the paper. Why?

A man lies dead next to a feather. How did he die?

While he was in the forest, a wild beast bit off his nose. But he died only 3 months later.

Sally was sleeping when she was awoken by Jack. She walked to the door and found a letter. She read it and began to cry. She now knew that her boyfriend would never see her again. Why?

Four college students were late for a lecture and explained it to the lecturer by having a flat tire. The smart lecturer quickly proved to the rest of the audience that the latecomers had lied. How?

Aborigines lived on an island in the middle of the ocean. However, they found a way to get rich. How did they do it?