No need. It's not marriage. It's a little strange to say that the right family. Generally speaking, two people will feel more comfortable when they are in the relationship of relatively equal. Isn't there a saying that the best state is that two people are evenly matched ... so, when two people are at the same level, it is more conducive to maintaining the relationship. However, people with the same level may not become good friends, because any relationship is reached for a reason. You are similar, know well, know each other's thoughts, and you will come together. You complement each other and promote each other, and you will come together.