People fleeing during shelling, audio of shelling

The video starts with an introduction and then moves into a discussion about whether attendance is necessary, exploring the reasons and implications of attending or not attending.

How does the tone of the speaker change from 'OK, OK.' to 'Second, do we have to go?'

In what situations might someone say 'OK, OK.'?

What can be inferred about the relationship between the speakers based on their dialogue?

What is the significance of the phrase 'do we have to go?' in the context of the conversation?

What might be the reason for asking 'do we have to go?' in a conversation?