Tourists walking past Golden Lion pub in Port Isaac

The video provides initial remarks and instructions to proceed with the task at hand.

How does the tone of the speaker change from 'Yeah.' to 'OK. Stop here and just'?

What do you think the speaker means by 'Stop here and just'?

What might be the context in which these phrases are used?

What action is suggested by the phrase 'go in now'?

What emotions do you think the speaker is expressing in this dialogue?