"You don't say," Walter replies - though he winks afterwards.

"For most of us here, when it comes to hiding or being open, if just on the small-scale right now, for safety... I'd say the truth works best."

That went for many things in life, honestly. Buuuut time to go back to the other subject!

"What if he'll have a good time because you're there? That can be an option, too."

He's not going to let himself wink twice in a row, but that's basically what he's thinking here.