The summary is:
The text is a transcript of a video where two people are trying to solve a riddle. The riddle is about a man who wakes up in the morning, opens the curtains, and realizes he made a mistake last night. The two people ask each other questions and make guesses about the riddle, but they have a hard time finding the answer. They also make jokes and talk about other topics, such as food, music, and sports. The answer to the riddle is that the man drank all the soup from his ramen bowl and saw the words "thank you" written at the bottom, which made him regret his actions. The text ends with one of them making a joke about the toilet.
Here are the key facts from the text:
1. The conversation is about a mystery that the speaker is trying to solve.
2. The mystery involves a man who wakes up in the morning and realizes he has made a mistake.
3. The mistake is related to something the man did the night before.
4. The speaker is trying to figure out what the man did and why he made a mistake.
5. The conversation mentions various possibilities, including the man forgetting to take off his contact lenses.
6. The speaker mentions that they have not seen the man's mistake before.
7. The conversation also mentions a "thank you" message that the speaker saw in a store.
8. The speaker thinks the "thank you" message might be related to the man's mistake.
9. The speaker mentions that they saw the "thank you" message in a ramen shop.
10. The speaker realizes that the "thank you" message was written on the bottom of a ramen bowl.
11. The speaker thinks the "thank you" message was left by the man as a way of apologizing for his mistake.
12. The speaker mentions that they have seen similar "thank you" messages in other places, such as on toilet signs.