Dad: I want you to marry a girl of my choice.
Son: No
Dad: The girl is Bill Gate's daughter.
Son: Then Ok.

Dad goes to Bill Gates.

Dad: I want your daughter to marry my son.
Bill Gates: No
Dad: My son is the CEO of the World Bank.
Bill Gates: Than ok

Dad goes to the President of the World Bank.

Dad: Appoint my son as the CEO of your bank.
President: No
Dad: He is the son-in-law of Bill Gates.
President: Then OK

That's business...!!