I think you're guarding against different things. If you live in a society where there are (following historical patterns here) patriarchs coercing the votes of

I think you're guarding against different things. If you live in a society where there are (following historical patterns here) patriarchs coercing the votes of spouses and dependents you probably have a whole slew of other problems that make this particular one just part of a larger social reform that should happen anyway.