Tseng nodded in return, settling into the chair and doing his best to relax. "They sound useful. Once you have a working build, see about making varying powers of them. We'll need devices that will work in smaller settings - especially within the city." Rude was the best at explosives, and if anyone could figure out how to make their own tech work with what this new world brought, it was he. Tseng knew he'd keep working until he finsihed, however - no matter how long that took. Hence why he'd interrupted.
It was good to see Rude take the needed break, and Tseng let the silence between them stay comfortable for a while longer, waiting for the other to actually eat some portion of what was brought before he broached the main reason of his visit - "Have you considered what you intend to do in regards to your partner?"