Human feelings are the intimate relationship between two people in social networks and the expression of fate. For example, between father and son, between husband and wife, between friends and so on. , will be considered more predestined relationship than strangers, also referred to as fate. If two people meet frequently, their relationship will be considered more predestined than those who don't meet often. The word predestination is usually used in the relationship between men and women, and all kinds of marriage and love agencies like to use the name "ordinary love".