The Last Two words become the First Two Words

[Corrine]

Never stop trying or you're likely to fail.

[Pete!]

To fail that math course takes some effort.

[Corrine]

Some effort is required to keep your computer up to date.

[Pete!]

To date oneself, admit you use a slide rule.

[Corrine]

Slide rule is a hand-operated mechanical calculator.

[Pete!]

Mechanical calculator trying to divide by zero will never finish.

[Corrine]

Never finish cleaning your home until it is completely spotless.

[Pete!]

Completely spotless dishes aren't dirty.

[Corrine]

Aren't dirty is what he told me.

[Pete!]

Told me to do it again

[Corrine]

It again became the first choice.

[Pete!]

First choice was beer for breakfast

[Corrine]

For breakfast, I prefer something light.

[Pete!]

Something light will float a balloon.

[Corrine]

A balloon will fly high in the sky.