The meaning of this sentence is as follows:
1. It is often easier to meet a true soulmate when it is full of ups and downs and wind and rain. Only after experiencing downturns and troughs can we gain insight into the hearts of those around us.
2. In an environment of intrigue, deception and materialism, everyone needs each other’s confidants, as their own confidants, to find comfort, encouragement and support for themselves. The road of life is rough, and I would like to be accompanied by close friends.