[There's a chuckle from Izuku when he's reminded of Shinsou's job--at least the dry humor was keeping both of their spirits up.]

Well, we need to factor in- [He's holding up fingers now, even though the other can't seem them] --the information we want to know, how willing a person would be to give up that information without any strong mental suggestion, and how innocuously we could phrase it so a person would be less on guard talking about it.

[Izuku has scratched these three points on a receipt, humming as he thinks.]

The most important bits of information that could be of use to us are...the nature of the fog and whatever lurks within it, right? Since we can't investigate that directly ourselves. What else...