"Hey, I haven't done it in a long time." Bucky said. "and it was, well, different then. For a lotta reasons. YOU are doing just fine, considering I don't really know what I'm doing in this. I mean I last dated when it was considered charming to call a girl sugar and ask if she was rationed."
So, keeping that in mind...
"You don't have anyone to impress you know. I already like you."