What is free will? Does an animal have free will? Which ones? What if an artificial entity display features of free will closer to humans than animals? Who decides this?
Do we need to define "free will" before allowing such marriages? Will some governance areas allow such marriages before others?
Since we (as a society) can't even agree on what free will is, I see no way a law or form of governance can determine that.
https://worldpopulationreview.com/state-rankings/marriage-ag...
Seems that NH has changed since the above link was published
https://en.wikipedia.org/wiki/Marriage_age_in_the_United_Sta...
has more details per state, seems some states have a way for any age
It does not matter what you think about the topic, it's what gets approved by laws. To think that it won't happen for reason X or Y is to discount history and likely outcomes.
Why shouldn't a person be able to marry a robot if they so desire? Why shouldn't a robot be able to earn their own income?
Free will as anything but an illusion of agency is an absurd concept.
Why leave out animals in this analysis? They certainly have an amount of free will, preferences, emotions, and problem solving skills... varied by species, breed, and individual
In other words, I'm saying every indication we have is that we're almost certainly automatons.
As such, "free will" is not a reasonable way of distinguishing which entities are capable of giving sufficiently informed consent (not least because most of us would assign the illusion of free will to children as well, yet disagree that they're competent enough to get married).