[Sal laughs in almost disbelief — not that he thinks Dante is lying, just that it all sounds too fantastical to be real. He's seen some strange things but...wow.]

Holy shit.

[Sometimes those two words have to suffice for a proper reaction.]

Wow. So you're pretty much doing this on your own, huh? That's pretty incredible. I guess your, uh, city? Town? Whatever — they're lucky to have you.

[Here have literally all of the encouragement.]