1. Most people don't get married to have a legal contract..
Actually, that is an annoying addition that is fulfilled and set aside, rarely to be looked at again. A momentary act that addresses the minor government interest and involvement.<quoted text>
Actually, they ALL do, since no license is required to simply live together, or even share an entire life together.
For some couples, it's the ONLY reason, but for most, gay or straight, it is simply a useful PART of the process.
The driving focus is the union of a man and woman committing to live joined as one. A public expression of that vow. A complimentary blend bonded by love and devotion, naturally birthing fruit.
When that fruit is removed from the relationship, government interest ceases or becomes discriminatory.