Your real birthday comes with fireworks. Don't get greedy.

[ He cracks a smile at that (because yes, he would be remiss if he hadn't researched Steve's birthday, hadn't gotten his hands on everything anyone possibly knew about Steve Rogers, Captain America right there in the Smithsonian, libraries, everywhere else). This time, his smile is a little less tentative, and a lot more deliberate. He still needs practice, but he's getting the hang of it.

Bucky would share every birthday with him if he could, and it won't matter if it's his or Steve's, as long as Steve is right by his side, this man who said his name and reminded him of what he'd lost. ]

...Tell me what you wished for. ]