White House's green fountain for St Patrick's Day

The video begins with a reassuring statement, followed by encouragement and a readiness to proceed.

What can be inferred about the speaker's attitude from the phrase 'Yeah, like yeah no no'?

What do you think the speaker means by 'You don't have anything to worry about'?

In what context do you think the speaker is trying to reassure someone?

How does the phrase 'Here we go' set the tone for the conversation?

What emotions or feelings might be conveyed by the repeated use of 'Yeah'?