At first, Ralph was amused by Newt's confidence, then her demeanor changed. He wasn't sure what exactly had happened to her, but it had sounded like it wasn't good.

"Everybody's got their own stuff they're good at. Yer good at hidin', I'm good at bein' strong." He's agreeing with her that she didn't cheat in his own way, but also offering a chance at a change of topic, in case she wants that.