Without a wedding announcement, wedding rings and two witnesses there is no wedding. If you do not want, you do not have to hold a big banquet, even the bride does not even get married in a beautiful princess dress. Witnesses make the wedding valid, the rings represent a circle of love without beginning and end, and the wedding announcement informs all your loved ones and acquaintances that you have decided to walk with life in two, although in the case of weddings without a banquet often with a return date.
It makes wedding weddings and the Feast itself is only such a pleasant bonus that makes the wedding day the most beautiful day of your life. Even if for whom. Someone doesn't really have it, and they prefer to invest in living or travelling. Some relatives may perceive this as a wrongdoing, but it is only a matter for the newlyweds.