What do you mean mountains and rivers don't meet?

Since then, mountains and rivers have never met, so old people are neither long nor short. This sentence is literally understood as: in the future, there will be no more friendship and communication between two people. You take your yangguan road and I'll take my wooden bridge. No longer ask you anything good or bad, no longer pay attention to you It can be seen from this sentence that the mood fluctuates greatly. And answered the question about your relationship. It can be understood as making decisions.

Generally speaking, this sentence means: break off diplomatic relations. I'll never contact you again.