He just makes a soft 'tch' sound like he doesn't quite believe it but when it comes to Hermes kids and lying he knows better than to tempt fate.

"Later, babe. Later," he teases, reaching out to grasp one of her hands and tangle their fingers together. "It'll spoil everyone's night if all the girls here start swooning."

The moral of this story is that Dave never stops being a little shit. Ever.