How do you deal with friends of the opposite sex alienating each other after they are single?

Dear, the moon waxes and wanes, people have joys and sorrows, separations and reunions, and gatherings and separations. Destined to come thousands of miles to meet each other, but not destined to meet across the street. There are many reasons for the alienation of friends of the opposite sex: sometimes the relationship is estranged due to misunderstandings between the two parties, sometimes the other party has a bad view of themselves and keeps away from themselves, and sometimes it is because they cannot understand each other when they are getting along with each other. His words and deeds unknowingly conflicted with the other person's words, causing the other person to alienate himself. However, it doesn't matter. If we are destined to meet each other, we will meet each other. If not, don't miss it. Just calm down. The past is forever. , looking ahead is the future and hope!