[He can't help but smile at the tone of Bucky's voice, because he's always liked knowing all of Bucky's tones, being the person who knew him inside-out - this is just another part of the other man, a part he hasn't learned all the way yet but is figuring it out bit by bit. He keeps working his mouth, though, his eyelashes on his cheeks as he closes his eyes to get used to the sensation of it, the taste and the smell, which isn't altogether unpleasant but new and different.
He moves his hand back and forth, just the wrist, gently.]
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He moves his hand back and forth, just the wrist, gently.]