A possible concise summary is:
The user wants me to write a summary of a video transcript where a woman named Nat Campos reacts to a letter she wrote to herself two years ago. She reflects on how her life has changed since then, how she has grown personally and professionally, and how she feels more confident and happy. She also introduces her boyfriend and her pets to her past self. She ends the video by announcing that she will write a new letter to her future self.
Here are the key facts extracted from the text:
1. The text is a transcript of a video by Nath Campos, a Mexican YouTuber and singer.
2. The video is about her reacting to a letter that she wrote to herself in 2017 and answering it in 2019.
3. She also plans to write a new letter to herself in 2021 and continue the cycle.
4. She talks about her personal and professional growth, her challenges, her dreams, and her relationships.
5. She mentions some specific events and details, such as opening her YouTube channel, uploading music, traveling, living alone, losing weight, using sunscreen, having a boyfriend, and having pets.
6. She expresses her emotions, such as excitement, anxiety, tenderness, happiness, and gratitude.