We should conceive of ourselves not as rulers of Earth but as highly powerful conscious stewards: The Earth is given to us in trust and we can screw it up or make it work well and sustainably.
I would love to be married. But it's not a necessity like the way that I feel I need and want to have children. It would be wonderful to have a husband and I would feel blessed to do it. But I would feel sad for the rest of my life if I had no kids.