[ James swallowed, Adam's apple bobbing against Steve's fingers, eyes closing at the tender caress. He hummed at the question, opening his eyes again when Steve answered, taking in Steve's explanation. ]

I see.

[ A serum, then. A drug. Not quite the same, though with the way Steve described it, it seemed to produce just about the same effect. ]

And this was something you went through before getting stuck in the ice? [ He paused, reviewing the world's history in his head. ] So you fought in the Second World War.