[Look. Even if she wasn't going to do anything, those parents may think differently if they make any sudden movements!!

But he'll glance at her.]

Still haven't figured it out?

[Wry grin as he swipes at the screen, taking a few steps back.]

It's easy, y'know. Can teach you now if you want. Also, mind stepping a little to the right a little?

[Just casually waving his hand.]