A possible concise summary is:
The video is about a woman who tries to teach her 10-year-old chihuahua, Marbles, how to sit on a hard surface. She explains that it took her two years to teach him how to sit on a carpet, and that he forgets everything the next day. She shows how her other dogs can do various tricks, but Marbles only responds to treats and cute noises. She says she loves him and has patience for him, and that he is a wonderful companion. She occasionally mocks the people who say that old dogs can't learn new tricks, and ends the video by saying that living with Marbles is like living with someone with amnesia.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where the speaker tries to teach her dog, Mr. Marbles, how to sit on a hard surface.
2. Mr. Marbles is a 10-year-old chihuahua who only knows how to sit on carpets and took two years to learn that.
3. The speaker also has two other dogs, Peachy and Kermit, who know how to do various tricks and are more cooperative than Mr. Marbles.
4. The speaker uses treats and positive reinforcement to motivate Mr. Marbles, but he often forgets what he learned or gets distracted by other things.
5. The speaker loves Mr. Marbles despite his slow learning and says he is a wonderful companion and a special dog.
6. The speaker claims to have a basic understanding of how to teach a dog, but she is not a professional dog trainer.
7. The speaker manages to get Mr. Marbles to sit on a hard surface a few times, but she doubts that he will remember it the next day.
8. The speaker compares Mr. Marbles to Drew Barrymore's character in 50 First Dates, who has amnesia and forgets everything every day.
I hope this helps you. 😊