Tower of London lit up purple to mark World Polio Day

The transcript involves a brief exchange where one person states their needs, followed by a clarification of previous statements. The conversation is informal and involves confirming or denying certain points.

What does the speaker imply by saying 'not really'?

What does the speaker mean by 'That's all I need'?

Who is Mark in the context of the dialogue?

How does the tone of the speaker change throughout the dialogue?

What is the significance of the phrase 'No, I haven't. Never, ever.'?