Newt thinks Chuck doesn't give himself enough credit and that's actually part of why he doesn't shoot back a quip. While he can't see Chuck as a receptionist at all, it's sure as hell not like he couldn't do the job if he wanted to, even if just temporarily; but on the other hand, Chuck could actually be doing something way better-suited for him.

"Then go be like, a mechanic or something. Teach punching classes, those are things that exist, right? Self-defense, yeah, Allison tried to make me go to a few of those after-- y'know, back when." It's a double sting, the mention of Allison and the thinly veiled reference to his stabbing, but it doesn't hurt like it used to and it's a poor time to be grateful for that but he is all the same.

"Or," he continues, smirking in his friend's direction, "maybe you could just ask to join Team Crentist one day. Chuck Crentist has an okay ring to it."