Generally, if you are satisfied, you will give 18 thousand ..

If the mother-in-law is not satisfied, she won't give money!

Whether it exists or not depends on the size of the mother-in-law. If she is young, her mother-in-law will not give money for fear of instability.

If the mother-in-law is stingy, she won't give it.

But in most cases, the chance of giving money is 80%