Steve looked at Tony in obvious confusion. Safe word? What did that even mean? But it was probably best for everyone if he just stopped talking about Bucky right now. Everything was a joke to him, and Steve was way too sensitive about this topic.

"No, we're not talking massive generator failure. We're talking no generator at all. Everything's gas powered. The fridge is cold because there's ice in it, which you have to get at the store and cart home. We're talking my parents' childhood level of tech." He didn't ask, but learning that you didn't power lightbulbs with nuclear reactors was a revelation. He thought that was kind of the point of nuclear reactors - to power things, like the lights.