There are over 1,000 rights and benefits you get as being married in the USA.
Things like being eligible to receive your Spouse SSI if they die while you are raising the kid is not something that should be dismissed if you are trying to do whats best for your family
Things like being eligible to receive your Spouse SSI if they die while you are raising the kid is not something that should be dismissed if you are trying to do whats best for your family