Hard situation puzzles

Three dead men sitting at a table in a room. On the table, there are playing cards and a gun. What happened?

He died because he mixed up the colors.

A man who was expecting to die in a few days dies sooner than he thought.

A woman goes to the library, takes a book and cries out.

A man is driving his car while listening to the radio when suddenly the radio goes silent. He then decides to leave the road and throw himself off the top of a cliff.

Paul goes diving. How could he know he would be burnt to a crisp?

One day a man received a parcel in the post. Carefully packed inside was a human arm. He examined it, repacked it and then sent it on to another man. The second man also carefully examined the arm before taking it to the woods and burying it. Why did they do this?

A woman dies from a long telephone conversation.

A young woman has her photo taken with her grandfather, but they have never met before, and neither of them is aware of their relationship.

The boy knocks on the door. The owner of the house opens it. The boy immediately thanks the owner and leaves. Why?

A man goes into a restaurant, orders albatross, eats one bite, and kills himself. Why?

She thought that it was the best day of her life moments before she died.