A wise old bull and a young bull are standing on a hill looking down at a field of cows. The young bull says to the old bull impatiently:
"Let's run down there and make love to a cow"
The old bull looks at him, pauses, and says:
"No, let's walk down and make love to them all"
Great story, but the old bull's wrong. You can't convert everyone, and nor should you try to. The video explains why without any further gratuitous, attention seeking sexual references!