Slow motion target shooting on a firing range

What do you think the phrase 'And then.' implies in a narrative context?

How does the use of the phrase 'And then.' affect the flow of a story?

In what situations might a writer choose to use the phrase 'And then.'?

Can you provide an example of how 'And then.' could be used in a story?

What emotions or reactions might 'And then.' evoke in readers?