Women and women's families shouldn't put a dime into the wedding. He is the one who gets to marry you. If you're financing the wedding, you're paying to marry him. Who would pay to marry him? Not you, hopefully.

On a related note: If you do marry him, he'll be getting all the benefits of marrying you, including longer life expectancy and greater happiness, at the expense of your happiness and health and life expectancy. Is it worth it?