"I only stepped out here for a minute to cool down."
If he stepped out ready for business she'd fry him, and quick.
Made it sound like I'd been there before and just stepped out for a minute.
Did you think he'd just stepped out for some fresh air?
The doors were left wide open, and he stepped out for some air.
He's actually just stepped out for a cup of coffee.
I was going to step out for only a moment.
"I stepped out for just a moment and was hoping I'd get back before you arrived."
Guess I can step out for a few minutes, then.
"I just stepped out for about five minutes to have a smoke!"