Decode this picture on T-Shirt and tell what it says ?

What does this rebus puzzle means ?

Why is a river so rich ?

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

What is the word or phrase?

I don't get anymore wetter, no matter how much rain falls on me.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Solve the puzzle by telling what does below picture means.