If only.

If only it had been a day later,

It would have been different.

If only it had been different

It would have been a day later.

If only I'd seen you,

It would change.

If only it had changed

I would have seen you.

If only people looked,

They would understand,

If only they understood

They would look.

If only that never happened

This would

If only this would happen

That never would