This particular situation might be confusing: two unique people, who seem to have truth from God are both preaching and baptizing. John the Baptist notices that people seem to be more drawn to Jesus. John's disciples notice, too. John the Baptist reminds them and us that he is not the Messiah, but that he was given the task of proclaiming His coming. He uses the analogy of a wedding. In our terms, John the Baptist is saying that he is the best man. The best man's job is to celebrate his friend, the groom, and to do whatever he can to help the guests celebrate and enjoy the wedding. Our culture isn't much different than theirs in this. The best man is usually the closest friend that the man getting married has in the world. Any solid best man will be thrilled for his buddy, and once it's over, his job is done. That's exactly what John the Baptist is saying. There is a fair amount of discussion about whether verses 31 through 36 is still John the Baptist talking, or ...
I've seen the clip a few times. Tyler, son of the legendary coach, played on an AAU team in high school. They asked Coach if she'd coach those boys for one game. Probably not anything of great consequence, and sports in the end is not. She calls a timeout and says, "Somebody on this team needs to rebound, if we want to win this game!" Summitt never did anything halfway. And that's why she has 1098 wins and 8 NCAA titles. We still miss you down here, Coach.