Why should drink make a cup of wine?

Bridegroom, the bride is drunk on wedding " make a cup of wine " it is one of important ceremonies on wedding. Qin Dai of this kind of consuetudinary traceable, according to historical data account, bridegroom, bride each hold half gourd ladle drinks, fix one's mind on two people close 2 for one, be deeply attached to each other, 100 things are harmonious. Arrived Tang Dynasty just changes container goblet, but no matter use gourd ladle or goblet, fix one's mind on somebody or agree its, symbolizing namely always written guarantee had been the same as, the deep desire of share happiness and woe.