‘Robot seeks single lonely human’

Will this be an ad of the future?

The Supreme Court has ruled the Defense of Marriage Act unconstitutional.  And, I may add, just in time to prepare for a future when a human (or robot) want to marry each other.  The legal definition of marriage will drastically change as we just witnessed.  What legal considerations are there when we can ‘marry’ a non-human partner?  And, how will human and non-human be defined?