This sacrament is a celebration of love, it is also about trust in one another and loyalty to be able to be with each other. But its always being with your one special person, Its about LOVE
marriage is about a promise and love to one another. It is to learn about each other through time and time again, about being together and loving without even knowing. It about two people in love.
People would want to be part of this sacrament because its nice to be with someone that you know loves and cares you. To know that someone cares for you is the best feeling, and its even better if you love/care for them too.