A man walked into a restaurant that served sea turtle soup. He ordered a bowl, took a spoonful, and then called the chef over to ask, "Is this really sea turtle soup?" The chef replied, "Yes, it certainly is." The man then left the restaurant and killed himself. Why?

A man pushes a woman off a cliff, then watches her with a smile as if nothing happened. What's going on?

Wilson worked at a canned soup factory. When closing time came, he shut the doors and turned off the lights. David, who was watching this process on CCTV, smiled. Later, Wilson and David met again in the same prison. Why?