This video illustrates how mand benefits the speaker. Saying "really?" or "Oh, yeah" in a conversation may serve to keep your partner talking. Two women sitting by a window having a conversation. Woman 1 says "Last weekend we went on a little vacation." Woman 2 says "Really?" Woman 1 says "Uh huh, and we went down to Williamsburg, and spent some time touring Williamsburg, and the kids had a wonderful time. Then we went over to Great Adventure." Woman 2 says "Really". Woman 1 says "It was awesome. They had a wonderful time. Ben has always wanted to go there."