A possible concise summary is:
Two friends, Mark and Zoe, answer questions from their fans about their friendship, such as how they met, how they trust each other, what they admire about each other, and what are their funniest moments together. They also compare themselves to different celebrity BFF pairs and describe each other's personalities in three words. They end the video by promoting another video they did on Zoe's channel and joking about Mark's luggage.
Some possible facts extracted from the text are:
1. The text is a transcript of a video where two friends, Mark and Zoe, answer questions about their friendship.
2. Mark and Zoe met at Zoe's book launch and became friends quickly.
3. Mark and Zoe have a lot of inside jokes and often say the same thing at the same time.
4. Mark and Zoe trust each other and are very open and honest with each other.
5. Mark and Zoe have never had an argument or a disagreement.
6. Mark and Zoe admire each other's personalities and qualities, such as being funny, caring, compassionate, generous, open-minded, etc.
7. Mark and Zoe have faced some rumors and gossip online, but they don't let it affect their friendship.
8. Mark and Zoe made another video on Zoe's channel where they made comic relief Easter inspired cupcakes.