How to become a permanent spiritual partner after marriage?

The requirements are too high. Didn't you say that you two were absolute spiritual partners before marriage? If you think so, it may also be an illusion, and the other party may not necessarily regard you as an absolute spiritual couple.

Also, being a spiritual partner requires you to have a particularly high spiritual level, and so does the other person. Looking around, it's hard to find someone who can match your spiritual realm. So maybe you will always be soul mates. But I find it hard to have such a couple. Sometimes, a very simple woman, without any spiritual realm, may also impress the man. Therefore, people's spiritual needs are not so simple. Just as we like the luxury of peony, we also like the dew of grass.

So, don't be so demanding of life, just do your duty.