It's a little gesture, but after years without little gestures, it's just as nice for Bucky when she leans against his shoulder. His family is long-gone and he really hasn't had the chance to rebuild his life at all. He's only just reconnected with his one friend in time for the world to end entirely.

"Sure. I can use the company." He smiles down at her.

If he's honest, he misses being needed and being able to take care of others. At one time, it had been such an essential part of how he'd seen himself, looking after his sisters and mother and Steve.