But probably what I should have expected, he mentally added.

Despite her rising panic, she mentally added: after all, what could happen?

He mentally added another five hundred dollars to the price he'd already decided upon.

It was a rather large one, she mentally added to herself, and grinned.

As if that takes any particular skill she added mentally.

So glad you could finally make it this morning, he added mentally.

But I'd prefer it if you'd tell me first next time, she mentally added.

And you really don't want to see me when I'm annoyed, he added mentally.

That made me laugh, so I mentally added his dollar back.

And let everyone see us do so, she added mentally.