Sheep support children being vaccinated

The video tutorial begins with an introduction to the topic of paper, followed by a question posed to the audience. There is a brief pause for reflection, during which feedback is received. The session concludes with suggestions for improvement and expressions of gratitude.

Why do you think the speaker says 'Wait wait wait.'? What could be the context?

What emotions or reactions do you think the speaker is expressing with 'Lovely bro, thank you very much.'?