Man is head of family. They go to work and make money for support his wife and kids.
If the man cannot work , cannot make money then father in law or mother in law will not give their doughtier to wedding with him.
Everybody know. The money cannot but love. Yes, Correct.
But in Thailand. Money from jobs , or works will show the responsible , management skill , effort , and many good thing of him.
Father in law and Mother in law of Thai people are very care for their daughter and This is one of many difference culture of West side with East side in the world,