A possible concise summary is:
This is a special anniversary video made by Stephanie, the wife of Matthew aka MatPat, the host of Game Theory. She surprises him with a video that compares building a relationship and a YouTube channel, using their own story as an example. She talks about how they met, how they faced challenges and changes, how they grew together, and how they are grateful for each other and their audience. She ends with a joke and a theory pun.
Here are some possible facts extracted from the text:
1. The video is a surprise anniversary gift from Stephanie to Matthew, who is the creator of Game Theory.
2. Stephanie and Matthew met in college in 2006 and got married in 2011.
3. They moved to New York and then to Los Angeles to pursue their careers and passions.
4. They started Game Theory in 2011 as a web series that analyzes video games and later expanded to Film Theory and Food Theory.
5. They faced challenges and doubts from relatives, employers and the internet, but they supported each other and adapted to changes.
6. They have a cat named Skip and a son named Oliver.
7. They are grateful for the time they spent together and for the community they built on YouTube.