Bruce is still hesitant until Tony says that, and then he relaxes -- just a fraction. Galen went away and came back having said time passed for him back home, and that before that happened, he and Jesse were from different points in time. Is that what this is? Did Tony go home while Bruce went to -- to what? To the scientists?

"You went home?" His eyes fall to where his reactor used to be, and he bites his lip. Tony got rid of the reactor? That's -- That's good, better for his health, but Bruce can't help but feel marginally more alone now. That's terrible and he resolves never to admit it.

"How long were you there?"