Well for one thing, they give the couple more flexibility in their lives.
They would have the option to end the marriage if it isn't working at all. Seriously, who would want to be with someone that can't make them happy for the rest of their lives? =P
They would have the option to end the marriage if it isn't working at all. Seriously, who would want to be with someone that can't make them happy for the rest of their lives? =P
